Find the function value.Let f(x) = x2 - 4x - 4. Find f(-2).
A. -8
B. 8
C. 16
D. 0
Answer: B
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Find the slope and the y-intercept of the line.4x - y = -3
A. slope: 4; y-intercept: (0, -3)
B. slope: 
; y-intercept: (0, -3)
C. slope: 3; y-intercept: (0, 4)
D. slope: 4; y-intercept: (0, 3)
Solve.Mrs. White wants to crochet beach hats and baby afghans for a church 
bazaar. She needs 2 hours to make a hat and 4 hours to make an afghan and she has 8 hours available. Thus, 
where x is the number of hats and y is the number of afghans. Can she make 3 hats and 9 afghans in the time allowed?
A. No B. Yes
Solve the problem.The revenue received from the sale of electric heaters is seasonal, with maximum revenue in the winter. Let the revenue received from the sale of heaters be approximated by R(x) = 225 cos 2?x + 600, where x is time in years, measured from January 1. Find R'(x) for August 1st.
A. 0
B. 225?
C. 225?
D. 225?
Find the opposite of the number.11
A. -11
B. 11
C. 
D. 0