Complete the identity.Complete the Pythagorean identity: 1 + 
= csc2 ?
A. 1 + sec2? = csc2 ?
B. 1 + cos2? = csc2 ?
C. 1 + tan2? = csc2 ?
D. 1 + cot2? = csc2 ?
Answer: D
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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = 
, L = 3, x0 = 6, and ? = 1
A. 16 B. 5 C. 4 D. 7
The measures of two angles of a triangle are 38° and 102° .What is the measure of the third angle?
What will be an ideal response?
Decide whether the relation is a function.{(-8, 2), (-8, 8), (1, -6), (6, 2), (9, -3)}
A. Not a function B. Function
Determine whether the relation is a function. Give the domain and range.{(-4, 2), (4, 9), (-4, -3), (-2, -6)}
A. not a function; domain: {-4, -2, 4}; range: {-6, -3, 2, 9} B. function; domain: {-6, -3, 2, 9}; range: {-4, -2, 4}