Find the inverse of the function represented by the set of ordered pairs.f: {(6, -11), (-5, -10), (-7, -9), (-9, -8)}
A. f-1: {(-10, -11), (-8, -7), (6, -7), (-9, -9)}
B. f-1: {(-11, 6), (-10, -5), (-9, -7), (-8, -9)}
C. f-1: {(-10, -11), (-11, -7), (6, -5), (-9, -9)}
D. Not invertible
Answer: B
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Solve the equation.
= 
A. 
B. ?
C. 
D. 
Use the graph to determine how close x must be to x0 in order that f(x) is within ? of L. Your answer should be of the form "If x is within ___ of ___, then f(x) is within ____ of ___ ."
A. If x is within 0.4 of 2, then f(x) is within 0.04 of 11. B. If x is within 0.5 of 2, then f(x) is within 0.2 of 11 C. If x is within 0.2 of 2, then f(x) is within 0.04 of 11. D. If x is within 0.04 of 2, then f(x) is within 0.2 of 11.
Use the table to solve the inequality.3x + 9 ? 0
A. {x
? -2}
B. {x
? 0}
C. {x
? -3}
D. {x
? -3}
Simplify the expression.
÷ 
A. 3 sec x tan x B. 3 sin x tan x C. 3 sin x tan2 x D. 3 sin3 x tan x