Use a sum or difference identity to find the exact value.tan 

A. -1 - 
B. -1
C. -2 - 
D. -1 - 


Answer: C

Mathematics

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State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = x(x - 5)

A. Yes; degree 2 B. No; it is a product C. Yes; degree 0 D. Yes; degree 1

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Combine like terms.2t + 4t

A. 7t
B. 6t
C. 6t
D. 6t

Mathematics

Find the difference.-9 - 20

A. -29 B. 11 C. 29 D. -11

Mathematics

Sketch the region enclosed by the curves and x = 2. Find the area of the region correct to two decimal places.

a. 22.67 b. 32.67 c. 20.67 d. 52.67 e. 62.67 f. 42.67

Mathematics