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| Accuracy | Question | Correct/Attempt | Last Answer |
|---|---|---|---|
| 100% | Consider the rational function $$m(x) = \frac{(x - 6)(x + 1)}{(x - 6)(x + 3)}$$. If the graph of $$m$$ has a hole, what is the $$y$$-coordinate of this hole? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:31 |
| 100% | For the piecewise function given above, solve for x in the equation when the function equals the specified value: solve $$2*x+1 = 7$$ for $$x<3$$ and $$x^2-4*x+3 = 0$$ for $$x \ge 3$$, then determine the valid solution. AP Precalculus / Unit 1: Polynomial and Rational Functions | 1/1 | April 19, 2026 23:31 |
| 100% | What does it mean if a function has no zeros? AP Precalculus / Unit 1: Polynomial and Rational Functions | 1/1 | April 19, 2026 23:30 |
| 100% | The binomial theorem can be used to expand the polynomial function $$u$$, given by $$u(x) = (3x + 4)^4$$. What is the coefficient of the $$x^2$$ term in the expanded polynomial? AP Precalculus / Unit 1: Polynomial and Rational Functions | 1/1 | April 19, 2026 23:30 |
| 100% | Evaluate the transformed quadratic function $$f(x)=(x-2)^2$$ at $$x=5$$. AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:28 |
| 67% | A ball is thrown upward from a height of 6 feet with an initial velocity of 32 feet per second. The height decreases at an increasing rate after reaching its maximum. Which function type would be most appropriate to model the height h(t) after t seconds? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/3 | April 19, 2026 23:28 |
| 67% | The rational function $$f(x) = \frac{(x + 4)(x - 2)}{(x + 4)(x + 1)}$$ has a hole in its graph. After removing the hole, what is the simplified form of $$f(x)$$? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/3 | April 19, 2026 23:28 |
| 100% | The table above represents a polynomial function $$h(x)$$ with equally spaced x-values. Determine the degree of the polynomial by examining its finite differences. AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:28 |
| 67% | For a quadratic function, how do the average rates of change over consecutive equal-length intervals behave? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/3 | April 19, 2026 23:28 |
| 100% | Consider the rational function $$r(x) = \frac{(x - 3)(x - 11)}{(x - 3)(x + 1)}$$. At what value of $$x$$ does the graph of $$r$$ have a hole, and what is the limit of $$r(x)$$ as $$x$$ approaches this value? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:28 |
| 100% | Which of the following is true regarding the vertical asymptote and/or hole for the rational function $$r(x)=\frac{x-2}{(x-2)^2}$$? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:28 |
| 100% | Using the binomial theorem to expand $$(2x + 3)^4$$, what is the coefficient of the $$x^2$$ term? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:27 |
| 100% | Which of the following statements is true? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:25 |
| 100% | Solve the equation $$ (x+2)^2 = 16$$. AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:25 |
| 100% | Which of the following describes a concave up quadratic function? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:25 |
| 100% | The table gives values for a polynomial function $$f$$ at selected values of $$x$$. What is the average rate of change of $$f$$ over the closed interval $$[1,4]$$? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:25 |
| 100% | Without a calculator: An exponential function is known to be increasing with a horizontal asymptote at y = 0 and satisfies f(0) = 2. The table shows that f(1) = 3 and f(2) = 4.5. Which equation correctly represents this function? AP Precalculus / Unit 1: Polynomial and Rational Functions | 3/3 | April 19, 2026 23:25 |
| 100% | The polynomial function $$f(x) = x^4 - 8x^3 + 24x^2 - 32x + 16$$ has a zero at $$x = 2$$. What is the multiplicity of this zero? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:24 |
| 67% | If $$a < b$$, then $$g(a) > g(b)$$ for all $$a$$ and $$b$$ in the interval $$3 < x < 7$$. Which of the following could be true about the graph of $$g$$ on the interval $$3 < x < 7$$? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/3 | April 19, 2026 23:24 |
| 100% | Consider the function $$f(x)= x^4 - 2*x^2+1$$. Is this function even, odd, or neither? AP Precalculus / Unit 1: Polynomial and Rational Functions | 2/2 | April 19, 2026 23:24 |
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