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
Mathematics
Combine like terms.2
t + 4
t
A. 7
t
B. 6
t
C. 6
t
D. 6
t
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