Solve the equation.- 
x = -7
A. -15
B. 1
C. 49
D. -14
Answer: C
Mathematics
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Solve the problem.The position of a body moving on a coordinate line is given by 
with s in meters and t in seconds. When, if ever, during the interval 
does the body change direction?
A. t = 3.5 sec B. t = 7 sec C. no change in direction D. t = 14 sec
Mathematics
Graph the inequality. y ? x2 + 3
A. 
B. 
C. 
D. 
Mathematics
?Use the demand function 
to find the rate of change in the demand x for the given price 
. Round your answer to two decimal places.
?
A. ?1.44 units per dollar B. ?-0.72 units per dollar C. ?0.72 units per dollar D. ?0.96 units per dollar E. ?-1.44 units per dollar
Mathematics
Name the plane that has been sketched below in the viewing box [-5, 5] × [ -5, 5] × [-5, 5].
A. z = 3 B. x = -3 C. z = -3 D. x = 3
Mathematics