Subtract.- 
A. 5.81
B. 7
C. 5.91
D. 6.91
Answer: C
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Simplify the expression using the order of operations.2[-5 + 4(-6 + 8)]
A. 6 B. -8 C. -2 D. -4
Solve the problem.A computer is purchased for $4400. Its value each year is about 78% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = 4400(0.78)t. Find the value of the computer after 6 years.
A. $772.89 B. $990.88 C. $602.85 D. $20,592.00
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x2
A. No, yes B. Yes, yes C. Yes, no D. No, no
Graph the radical function. Compare the graph to that of the square root function or cube root function.f(x) = 
+ 6
A. It looks like the graph of the square root
function, but it is shifted 6 units to the left.
B. It looks like the graph of the square root
function, but it is shifted 6 units to the right.
C. It looks like the graph of the square root
function, but it is shifted 6 units up.
D. It looks like the graph of the square root
function, but it is shifted 6 units down.