Find the value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.
Find cos ?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics
Give a verbal representation for the given function. f(x) = 14 - 4x. Let y = f(x).
A. To obtain y: Add 4 to x, then add 14 to the result. B. To obtain y: Multiply x by 4, then subtract the result from 14. C. To obtain y: Multiply x by 14, then subtract the result from 4. D. To obtain y: Subtract 4 from 14 , then multiply the result times x.
Mathematics
Find the opposite of the polynomial.14a2 - 8a + 5
A. -14a2 - 8a - 5 B. 14a2 + 8a - 5 C. -14a2 + 8a - 5 D. 14a2 - 8a + 5
Mathematics
Simplify the expression.9
+ 
A. 99
+ 11
B. 21
C. 5
D. 45
Mathematics