Determine whether the relation is a function. Give the domain and range.{(9, 6), (-8, -8), (6, 5), (1, -8), (-8, 6)}
A. function; domain: {-8, 5, 6}; range: {-8, 1, 6, 9}
B. not a function; domain: {-8, 1, 6, 9}; range: {-8, 5, 6}
Answer: B
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Find the slope of the curve for the given value of x.y = x2 + 11x - 15, x = 1
A. slope is - 
B. slope is 13
C. slope is -39
D. slope is 
The LCM of 20, 45 and 50 is:
a. 200 b. 450 c. 500 d. 900 e. 45,000
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?
A. f has a local minimum at x = -1; the local minimum is 0 B. f has a local minimum at x = -1 and 1; the local minimum is 0 C. f has a local minimum at x = 0; the local minimum is 3 D. f has no local minimum