Simplify the algebraic expression.-9 
A. 9y
B. 8
C. -8y
D. 8y
Answer: D
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Use a calculator to approximate to three decimal places.
A. 0.049 B. 0.49 C. 0.005 D. 4.900
Solve the problem.Identify the incorrect statements about limits.I. The number L is the limit of f(x) as x approaches x0 if f(x) gets closer to L as x approaches x0.II. The number L is the limit of f(x) as x approaches x0 if, for any ? > 0, there corresponds a ? > 0 such that 
< ? whenever 0 < 
< ?.III. The number L is the limit of f(x) as x approaches x0 if, given any ? > 0, there exists a value of x for which 
< ?.
A. II and III B. I and III C. I and II D. I, II, and III
Solve the problem.?1 and ?2 are complementary angles. What are the measures of the two angles? 
A. ?1 = 19°, ?2 = 71° B. ?1 = 26°, ?2 = 90° C. ?1 = 22.5°, ?2 = 81.5° D. ?1 = 41.5°, ?2 = 138.5°
Graph the function.f(t) = 2 sin 
t 
A. 
B. 
C. 
D. 