Solve the inequality. Graph the solution set and write the solution set in interval notation.x2 - 9x + 18 ? 0
A. (-?, 3]
B. [3, 6]
C. (-?, 3] ? [6, ?)
D. [6, ?)
Answer: C
Mathematics
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Find the area bounded by the indicated curves.y = 
, x = 0, y = 1, y = 5
A. 
B. 
C. 124
D. 
Mathematics
Given f(x) and g(x), find the composition.f(x) = -9x + 7; g(x) = 4
Find (g ? f)(x).
A. -9
+ 7
B. 4
+ 7
C. 4
D. 4 + 
Mathematics
Use the Pythagorean Theorem to find the length of the missing side.Then find the indicated trigonometric function of the given angle. Give an exact answer with a rational denominator.Find cos ?.
A. 
B. 
C. 
D. 
Mathematics
Determine if the given function y = f(x) is a solution of the accompanying differential equation.y' + y = e2xy = 5e- x + 
e2x
A. Yes B. No
Mathematics