Try another version of this question Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Given `f(x) = 3 x + 9`
a) Evaluate `f(-3)`
`f(-3)` =
b) Solve `f(x) = 21`
`x` =
Enter DNE for Does Not Exist, oo for Infinity 0
Enter DNE for Does Not Exist, oo for Infinity 4