Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 
, g(x) = x + 4
A. (-?, -5) ? (-5, -4) ? (-4, ?)
B. (-?, -9) ? (-9, ?)
C. (-?, ?)
D. (-?, -5) ? (-5, ?)
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
Write as a radical expression. Simplify if possible.(-49)3/2
A. (
)3 = -3.5
B. (
3 = 7
C. Not a real number
D. (
)3 = -7
Mathematics
Use a graphing utility to approximate to two decimal places any solutions on [0, 2?) graphically or numerically.2sin x = 1 + cos x
A. x = 0, 4.07 B. x = 0, 2.21 C. x = 0.93, 3.14 D. no solution
Mathematics
Divide.326.37 ÷ 1000
A. 0.032637 B. 326,370 C. 3,263,700 D. 0.32637
Mathematics