Select one:
A. f(x)=−4x+12
B. f(x)=3x+2
C. f(x)=x−9
D. f(x)=−5x−1

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Two numbers have a sum of -19. one number is x. what expression represents the other number?