Question: If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (w circle r) (x)?

Answer Choices:
a. (negative infinity, 0]
b. (negative infinity, 2]
c. [ 0, infinity)
d. [ 2, infinity)

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.