Graph the function.y = cos 
x 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the inverse of the function.f(x) = 
A. f-1(x) = 
B. f-1(x) = (x - 1)2
C. f-1(x) = x2 + 1, x ? 0
D. Not a one-to-one function
Mathematics
Determine whether a linear model might fit the data.
A. Yes B. No
Mathematics
Divide, if possible. Write the answer in simplest form.4
÷ 3
A. 1
B. 1
C. 2
D. 1
Mathematics
Estimate the answer by using front end rounding.
A. 10,480 B. 9830 C. 9820 D. 9829
Mathematics