Solve for the variable.- 
z = -2
A. -7
B. 0
C. 10
D. -8
Answer: C
Mathematics
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Evaluate the improper integral.
A. 64 B. -8 C. 8 D. -64
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Solve for x and graph the results.3x + 6 < -6 or 9x + 1 > 19
A. 
no solution
B. 
C. 
D. 
Mathematics
Determine if the function is increasing or decreasing over the interval indicated.y = -8x4 ; x < 0
A. Decreasing B. Increasing
Mathematics
Find all values for which at least one denominator is equal to 0. Write answers using the symbol ?. Do not solve.
= 
A. x ? -9, 
B. x ? 0, -9, 
, - 
, 
C. x ? -9, 
, - 
, 
D. x ? - 
, 
Mathematics