Twelve weightlifters are competing in the dead-lift competition. In how many ways can the weightlifters finish first, second, and third (no ties)?
A. 1,728
B. 6
C. 36
D. 3
E. 1,320
Answer: E
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By graphing the function, visually estimate its domain and range.h(x) = 6 - x
A. Domain: (-?, 0] ; range: (-?, 0] B. Domain: [0, ?); range: [0, ?) C. Domain: (-?, ?); range: (-?, ?) D. Domain: (-?, ?); range = (0, ?)
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 8 - 9x, g(x) = -5x + 9Find (f + g)(x).
A. -14x + 17 B. -4x + 17 C. 3x D. -5x + 8
Solve the problem.The graph shows an idealized linear relationship for the average monthly payments (in dollars) to retirees from 2000 through 2004. Use the midpoint formula to estimate the payment for 2002.Average Monthly Payments to Retirees
a = $452; b = $524
A. $488 B. $36 C. $524 D. $500
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Positive C. Negative D. Zero