Simplify the algebraic expression.-9 

A. 9y
B. 8
C. -8y
D. 8y


Answer: D

Mathematics

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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

Mathematics

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

Mathematics

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°

Mathematics

Graph the function.f(t) = 2 sin 

A.

B.

C.

D.

Mathematics