For Figure 4, describe a relationship between segments associated with Circle O.
AB CB
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Solve the problem.The equation 
arises in the design of rods and pistons. Solve for ?.
A. ? = 
cos-1 
B. ? = cos-1 
C. ? = cos-1 
D. ? = 
cos-1 
Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.f[g(3)]
A. 7050 B. 618 C. 1212 D. 408
Solve the problem.A young married couple had a combined annual income of $43,000. If the wife made $3000 more than the husband, write these relationships as a system of equations. Let x represent the husband's income and let y represent the wife's income.
A. x + y = 3000 y = x + 43,000 B. x + y = 43,000 y = 3000 C. x + y = 43,000 y = x + 3000 D. x - y = 43,000 y = x + 3000
Determine where the given function is concave up and where it is concave down. f(x) = (x - 2)1/3 - 7
A. Concave down on (-?, 2) and (2, ?) B. Concave down on (-?, 2), concave up on (2, ?) C. Concave up on (-?, 2), concave down on (2, ?) D. Concave up on (-?, ?)