Write the function in standard form and find the vertex.f(x) = x2 + 8x
A. f(x) = (x - 16)2 - 4; (16, -4)
B. f(x) = (x - 4)2 - 16; (4, -16)
C. f(x) = (x + 16)2 + 4; (-16, 4)
D. f(x) = (x + 4)2 - 16; (-4, -16)
Answer: D
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Find the absolute extreme values of the function on the interval.g(x) = -x2 + 9x - 18, 6 ? x ? 3
A. absolute maximum is 
at x = 
; absolute minimum is 0 at 3 and 0 at x = 6
B. absolute maximum is 
at x = 
; absolute minimum is 0 at 3 and 0 at x = 6
C. absolute maximum is 
at x = 
; absolute minimum is 0 at 3 and 0 at x = 6
D. absolute maximum is 
at x = 
; absolute minimum is 0 at 3 and 0 at x = 6
Solve the problem. The balance in your checking account is $780. You write checks for $48, $33, and $135. You then deposit $142 from your paycheck. What is your new balance?
A. $696 B. $422 C. $1138 D. $706
Find all solutions if 
. Give your answers in degrees. Round your answer to the nearest tenth if necessary.
?
?
? = __________°
What will be an ideal response?
First, write the value or values of the variable that make a denominator zero. Then solve the equation.
+ 7 = 
+ 
A. 0, 2, 5; 
B. 0; 
C. 0; 
D. none; 