Solve the problem.The median weekly incomes of full-time female workers for various age groups are listed in the table below. 
Let W(a) represent the median weekly income (in dollars) of women at age a years. Here is the quadratic regression equation for W: W(a) = -0.30a2 + 27.61a - 97.01Use this model to estimate the median weekly income of women at age 20.
A. $320
B. $315
C. $328
D. $335
Answer: D
Mathematics
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The graph of a function f is given. Use the graph to find the indicated value.f-1(2)
A. 6
B. 
C. 
D. 2
Mathematics
The number of television sets that consumers buy depends on price. The higher the price, the fewer TVs people will buy. The equation that relates price to the number of TVs sold at that price is called a demand equation. If the demand equation for a 13-inch TV is 
, where p is the price and q is the number of TVs sold at that price, how many TVs will be sold at a price of $148?
?
A. 192 B. 163 C. 284 D. 264 E. 220
Mathematics
Graph the function.y = tan 
A. 
B. 
C. 
D. 
Mathematics
Identify the place value of the underlined digit.0.40
A. Hundredths place B. Ones place C. Thousandths place D. Ten-thousandths place
Mathematics