Find the inverse of the function.f(x) = x4 + 6, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. Not invertible
Answer: A
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Determine where the given function is concave up and where it is concave down. f(x) = 2x3 + 12x2 + 18x
A. Concave down on 
, concave up on 
B. Concave up on 
, concave down on 
C. Concave down on (-?, -3.5), concave up on ( -3.5, ?)
D. Concave up on ( -?, -3.5), concave down on ( -3.5, ?)
Use the properties of parallel lines to solve the problem.
is parallel to 
. Find the measure of each numbered angle.
A. ?1 ? ?2, both are 128°; ?3 ? ?ABE, both are 52°. B. ?2 ? ?3, both are 52°; ?1 ? ?ABE, both are 128°. C. ?1 ? ?2, both are 52°; ?3 ? ?ABE, both are 128°. D. ?1 ? ?3, both are 52°; ?2 ? ?ABE, both are 128°.
Provide an appropriate response.Write the smallest five-digit number possible using the digits 5, 3, and 9. Use each digit at least once.
A. 35,339 B. 33,593 C. 33,395 D. 33,359
Simplify the radical.
A. 
B. 
C. 
D. 