Solve the problem.The polynomial function 
gives the rate of gas leakage from a tank as pressure increases in p units from its initial setting. Will an increase of 1 unit(s) result in a lower rate of leakage compared to the initial setting?
A. Yes
B. No
Answer: A
Mathematics
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Provide an appropriate response.Add 
+ 
and reduce answers to lowest terms with improper fractions changed to whole or mixed numbers.
A. 
B. 
C. 
D. 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 7x - 8
A. f-1(x) = 
- 8
B. f-1(x) = 
+ 8
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 
A. 
B. - 
C. - 
D. 
Mathematics
Estimate by rounding as directed.19.987 + 0.582 + 79.99; nearest tenth
A. 100.9 B. 100.6 C. 99.7 D. 100.4
Mathematics