Solve.45n2 + 36n = 0
A. - 
, 0
B. 0
C. - 
, 36
D. - 
Answer: A
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x =-1; concave down on (0, ?); concave up on (-?, 0) B. Local minimum at x = 1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0) C. Local maximum at x = 1; local minimum at x =-1; concave up on (-?, ?) D. Local maximum at x = 1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0)
Solve the inequality 
. Round your answer to two decimal places.
?
A. 
B. ?
C. ?
D. ?
Find the value of (f ? g)' at the given value of x.f(u) = 
+ 13, u = g(x) = 
, x = 5
A. 10 B. -23 C. 25 D. 5
Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.
x = 3x - 7.1
A. 1.5 B. -5.6 C. -1.5 D. 5.6