Provide an appropriate response.Decide if the window [-7, 18] by [-4, 34] shows a complete graph of the function f(x) = -2x - 19.
A. No
B. Yes
Answer: A
Mathematics
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Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = cos ?
A. x2 + y2 = y B. (x + y)2 = y C. (x + y)2 = x D. x2 + y2 = x
Mathematics
Calculate.
A. 84.86 B. 9.53 C. 46.29 D. 65.57
Mathematics
Use half-angle identities to find the exact value of the expression.sec 
A. -
B. -
C. 
D. 
Mathematics