Find a linear function whose graph has the given slope and y-intercept.Slope 
, y-intercept (0, 1)
A. f(x) = - 
x + 1
B. f(x) = 
x - 1
C. f(x) = 
x + 1
D. f(x) = - 
x - 1
Answer: C
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Find the maximum and minimum values of the function and the values of x and y for which they occur.F = 8x + 12y, subject to40x + 80y ? 560,6x + 8y ? 72,x ? 0,y ? 0.
A. Maximum: 96 when x = 12 and y = 0; minimum: 84 when x = 0 and y = 7 B. Maximum: 96 when x = 12 and y = 0; minimum: 0 when x = 0 and y = 0 C. Maximum: 100 when x = 8 and y = 3; minimum: 0 when x = 0 and y = 0 D. Maximum: 100 when x = 8 and y = 3; minimum: 84 when x = 0 and y = 7
Find the exact value.log 
A. -3
B. - 
C. 
D. 3
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x2(x - 5)(x - 6)
A. x = 0, touches the x-axis and turns around; x = 5, crosses the x-axis; x = 6, crosses the x-axis B. x = 0, crosses the x-axis; x = 5, crosses the x-axis; x = 6, crosses the x-axis C. x = 0, touches the x-axis and turns around; x = -5, crosses the x-axis; x = -6, crosses the x-axis D. x = 0, crosses the x-axis; x = 5, touches the x-axis and turns around; x = 6, touches the x-axis and turns around
Simplify. Write the answer with positive exponents.
A. 
B. 
C. 
D. 