Determine the domain and range of the function. State whether the function is a function or not a function. 
A. domain:{15, 21, 27, 33}
range: {5, 7, 9, 11}
not a function
B. domain: {5, 7, 9, 11}
range: {15, 21, 27, 33}
not a function
C. domain: {5, 7, 9, 11}
range: {15, 21, 27, 33}
function
D. domain:{15, 21, 27, 33}
range: {5, 7, 9, 11}
function
Answer: C
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 
B. 
C. 1 - sin 9
D. 1 + cos 9
Solve the problem.Suppose that 
= 10. Find 
and 
.
A. 1; -10 B. 1; 10 C. -1; -10 D. 0; 10
Solve the problem.The function 
gives the pressure, in atmospheres (atm), at a depth d feet in the sea. Find and interpret P(47). Do not round your answer.
A. 
; At a depth of 47 feet, the pressure is 
atm.
B. 
; At a depth of 
feet, the pressure is 47 atm.
C. 
; At a depth of 47 feet, the pressure is 
atm.
D. 
; At a depth of 
feet, the pressure is 47 atm.
Solve using the addition principle.28 + x = -4
A. -24 B. 32 C. -32 D. 24