Provide an appropriate response.State whether the following situation represents direct variation, inverse variation, or neither, and explain why: A runner's speed in a race and the time it takes to run the race
What will be an ideal response?
Inverse variation; the greater the speed, the shorter the time.
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Match the polynomial with its binomial factors.x2 - 2x - 80
A. (x - 8)(x - 1) B. (x + 8)(x - 10) C. (x - 8)(x + 10) D. (x - 8)(x + 1)
Solve the problem.The cost of tuition at a community college is given by C(x) = 485 + 68x, where x is the number of credit hours. Find and interpret the C-intercept of the graph of this function.
A. 485; The tuition increases by $485 for each additional credit hour. B. 68; The tuition increases by $68 for each additional credit hour. C. 68; There is a tuition fee of $68 in addition to the charge per credit hour. D. 485; There is a tuition fee of $485 in addition to the charge per credit hour.
Solve the problem.A(x) = -0.015x3 + 1.05x gives the alcohol level in an average person's bloodstream x hours after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Would a person be drunk after 4 hours?
A. Yes B. No
Write a numerical expression for the phrase and simplify it.The product of -4 and 6, subtracted from -7
A. [-7 - (-4)](6); -18 B. (-7)(-4)(6); 168 C. -7 + (-4)(6); -31 D. -7 - (-4)(6); 17