Evaluate the function as indicated.Find f(-1.3) when f(x) = -19.
A. -19
B. 19
C. -1.3
D. 24.7
Answer: A
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Given f(x) and g(x), perform the indicated operation.f(x) = x2 - 3 - 5x; g(x) = -4x - 9Find (f + g)(x).
A. x2 - 9x + 7 B. x2 - 2x - 14 C. x2 - 2x - 12 D. x2 - 9x - 12
Find the center (h, k) and radius r of the circle with the given equation. x2 + (y + 1)2 = 144
A. (h, k) = (-1, 0); r = 12 B. (h, k) = (0, -1); r = 144 C. (h, k) = (-1, 0); r = 144 D. (h, k) = (0, -1); r = 12
Solve.A stove sells for $731. If the sales tax rate is 7.9%, what is the total price?
A. $57.75 B. $788.75 C. $1308.49 D. $577.49
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 5 weeks?
A. 250 people B. 20,000 people C. 14,664 people D. 20,400 people