1.If f(x) = 2x2 − 30, find f(4).
A.35
B.−14
C.2
D.17
2.If f(x) is the total number of bacteria present in a sample after x hours, which of the following statements best describes the meaning of f(2) = 12?
A.The total number of bacteria present in the sample after 12 hours is 2.
B.The total number of bacteria present in the sample after 6 hours is 2.
C.The total number of bacteria present in the sample after 2 hours is 12.
D.The total number of bacteria present in the sample after 6 hours is 12.
3.If h(x) = −3x − 10, find h(−3).
A. −19
B.−1
C.1
D.2.3
4.Choose the equation of the vertical line passing through the point (−4, 2).
A. y = −4
B. x = −4
C. y = 2
D. x = 2