Evaluate the composition of functions.Let f(x) = 7x + 2 and g(x) = x + 6. Find (g ? f)(4).
A. 300
B. 36
C. 72
D. 40
Answer: B
Mathematics
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Solve the inequality.(5 + 4x)2 ? -25
A. 
B. 
? 
C. (-?, ?)
D. ?
Mathematics
For the pair of similar triangles, find the length of the indicated side.
?
In the left triangle, the hypotenuse has length 50, and the longer leg has length 48. In the right triangle, the hypotenuse has length 25, the longer leg has length 24, and the shorter leg has length 7. Find the length, x, of the shorter leg of the left triangle.
A. x = 14 B. x = 7 C. x = 21 D. x = 10
Mathematics
Multiply.(x - 4y)(x + 12y)
A. x + 8xy - 48y B. x2 + 8xy - 48y2 C. x2 + 8xy + 8y2 D. x2 + 5xy - 48y2
Mathematics
Solve the problem.If sin ? = 
, find csc ?.
A. 
B. - 
C. 8
D. undefined
Mathematics