Find the composite function for the given functions.f ? g for f(x) = 4x + 5 and g(x) = x2 - 9
A. x2 - 4x - 14
B. x2 + 4x - 4
C. 4x2 - 31
D. 16x2 + 8x - 5
Answer: C
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.3
+ 
A. 7
B. 3
+ 
C. 4
D. 12
Mathematics
Write the sentence as a proportion.5.1 is to 7.1 as 15.3 is to 21.3
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Add or subtract.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the quotient. If the quotient is a repeating decimal, write the answer with a bar over the repeating digit or digits.0.27 ÷ 0.009
A. 3 B. 0.3 C. 0.03 D. 30
Mathematics