The graph of a function is given. Use the graph to find the indicated limit and function value, or state that the limit or function value does not exist.a. 
f(x)
b. f(-1)
A. a. 
f(x) does not exist
b. f(-1) does not exist
B. a. 
f(x) = -1
b. f(-1) = 1
C. a. 
f(x) = -1
b. f(-1) does not exist
D. a. 
f(x) = 0
b. f(-1) = 1
Answer: C
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A. y = 11.7 + 1.02x B. y = -47.3 + 2.02x C. y = 2.81 + 1.35x D. y = 92.3 - 0.669x
If the height, n, of a trapezoid equals the length of its shorter base and the longer base is twice the shorter base, then the area of the trapezoid is
(a) 2n (b) 3n2 (c) 1.5n3 (d) 1.5n2 (e) None of these is correct.
Determine whether the given equation is a rational function.f(x) = -6 + 
A. Yes B. No
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 2
B. 
C. 
D. 6