Decide whether the relation represents a function. If it does, give the domain and the range.{(-3, -6), (-1, -4), (-1, 5)}
A. Function; domain: {-3, -1, -1}; range: {-6, -4, 5}
B. Not a function
C. Function; domain: {-6, -4, 5}; range: {-3, -1, -1}
D. Function; domain: {-6, -4, 5}; range: {-1}
Answer: B
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Find the intervals on which the function is continuous.y = 
- 
A. discontinuous only when x = -7 or x = -1 B. discontinuous only when x = -1 C. discontinuous only when x = -8 D. continuous everywhere
Place parentheses, if needed, to turn this into a true statement.9 - 8 - 7 - 1 = -5
A. (9 - 8) - 7 - 1 = -5 B. No parentheses needed C. 9 - (8 - 7) - 1 = -5 D. 9 - 8 - (7 - 1) = -5
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.x2 ? x7
A. x14 B. 14x C. x9 D. 9x
Find the measure of the indicated angle. Figure is not drawn to scale.If m and n are parallel, find the measure of ?w.
A. 147° B. 137° C. 136° D. 126°