Find f(x) at the indicated value of x.f(x) = 7x + 6, x = -3
A. 24
B. -15
C. -25
D. 4
Answer: B
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Solve.Important news is said to diffuse through an adult population of fixed size L at a time rate proportional to the number of people who have not heard the news. Four days after a scandal in the mayor's office was reported, a poll showed that half of the people had heard about it. How long will it take for 99% of the people to hear about it?
A. 29 days B. 28 days C. 27 days D. 30 days
Multiply in the indicated base.E4sixteen × 2Dsixteen
A. 2814sixteen B. 2BC8sixteen C. 2AC4sixteen D. 2AD8sixteen
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 1, c = 21
A. b = 
; b ? 4.472
B. b = 20
C. b = 
; b ? 20.976
D. b = 
; b ? 21.024
State the dimension of the matrix.
A. 4 B. 3 × 3 C. 4 × 4 D. 9