Determine whether the relation represents a function. If it is a function, state the domain and range.{(1, -4), (-3, -3), (-3, 0), (6, 3), (22, 5)}
A. function
domain: {1, 6, -3, 22}
range: {-4, -3, 0, 3, 5}
B. function
domain: {-4, -3, 0, 3, 5}
range: {1, 6, -3, 22}
C. not a function
Answer: C
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Evaluate the integral by making a substitution and then using a table of integrals. 
A. 9 sin-1
- 
+ C
B. 
- 3 ln
+ C
C. 9 sin-1
- 
+ C
D. 9 sin-1
+ x
+ C
Write a percent proportion that could be used to answer the question. Do not solve. What percent of 73 calories is 36 calories?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
= 
A. 72 B. 17 C. 58 D. 63
Solve using the substitution method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.a + 4b = 23a = -12b + 6
A. (4, 2) B. {(a, b)|a = 4b + 2} C. No solution D. {(a, b)|a + 4b = 2}