Find f-1(x) for the following one-to-one function f.f = {(20, 9), (12, 4), (-15, 20)}
A. f-1 = {(20, 9), (12, 4), (20, -15)}
B. f-1 = {(9, 20), (-15, 12), (20, 4)}
C. f-1 = {(20, 4), (20, 12), (20, -15)}
D. f-1 = {(9, 20), (4, 12), (20, -15)}
Answer: D
You might also like to view...
Determine whether the following is always true or not always true. Given reasons for your answers.c(u × v) = cu × cv (any number c)
What will be an ideal response?
Graph the inequality.x ? -4
A. 
B. 
C. 
D. 
Solve the problem.A firm making microwave ovens finds that the total cost, C(x), of producing x units is given by C(x) = 80x + 520.The revenue, R(x), from selling x units is determined by the price per unit times the number of units sold, thus R(x) = 90x.Find and interpret (R - C)(44).
A. $80 profit, income exceeds cost B. -$80 loss, cost exceeds income C. $8000 profit, income exceeds cost D. $96 profit, income exceeds cost
Express the value in scientific notation.(4 × 107) (1.1 × 10-5)
A. 44 × 102 B. 4.4 × 102 C. 4.4 × 103 D. 4.4 × 10-35