Evaluate the given function. Round to the nearest thousandth.f(x) = ex, f(-2)
A. 0.135
B. -5.437
C. 0.150
D. 0.693
Answer: A
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Find all solutions to the equation. Express your answer in degrees.cos2 t - 9 cos t + 18 = 0
A. 45° + 90°? n B. No solutions C. 60° + 180°? n D. 90° + 360°? n
Find the specified domain.Find the domain of (f - g)(x) when f(x) = 
and g(x) = 
A. (-?, ?) B. (-?, -3) ? (-3, 8) ? (8, ?) C. (-?, -4) ? (-4, -2) ? (-2, ?) D. (-?, -8) ? (-8, 3) ? (3, ?)
Solve the problem.A store is discounting all regularly priced items by 75%. (i) Find a function f that computes the sale price of an item having a regular price of x. (ii) Find the regular price of an item that costs $84.59 on sale.
A. f(x) = x - 0.75; $85.34 B. f(x) = 0.75x; $112.79 C. f(x) = x - 0.75x; $338.36 D. f(x) = 0.75 + x; $83.84
Solve the formula for the specified variable.P = a + b + cfor a
A. a = b + c - P B. a = P + b + c C. a = b + P - c D. a = P - b - c