THIS NEEDS TWO ANSWERS. Which of the Z – values satisfy the following inequality 7x<21. A. x=1. B. x=2. C. X=3

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

In which form is the following function written? y = - 2(x – 3)(x + 5)