Find the equation of the parabola whose vertex and focus are shown.
A. (x + 2)2 = -12(y - 3)
B. (y + 2)2 = -12(x - 3)
C. (x + 2)2 = 8(y - 3)
D. (y + 2)2 = 8(x - 3)
Answer: B
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Solve.The volume V of a gas varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
What will be its volume under a pressure of 36 kg/cm2?
A. 140 cm3 B. 133 cm3 C. 315 cm3 D. 331 cm3
Solve the equation.16x + 9x - 8x = 34
A. 
B. {17}
C. 
D. {2}
Graph.f(x) = 
- 1 
A. 
B. 
C. 
D. 
?Find the open intervals on which the function 
is increasing or decreasing.
?
A. ?The function is increasing on the interval 
and decreasing on the interval 
.
B. ?The function is increasing on the interval 
and decreasing on the interval 
.
C. ?The function is increasing on the interval 
and decreasing on the interval 
.
D. ?The function is increasing on the interval and decreasing on the interval .
E. ?The function is increasing on the interval 
and decreasing on the interval 
.