State whether the parabola opens upward or downward.f(x) = 
x2 - 4
A. Downward
B. Upward
Answer: B
Mathematics
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Solve the problem.A rocket takes off in a path described by the equation src="https://sciemce.com/media/4/ppg__text0425191437__f1q37g6.jpg" alt="" style="vertical-align: -23.0px;" />
A. 900 km
B. 342 km
C. 297 km
D. 146 km
Find the distance traveled by the rocket for 
to 
(The length of arc s of a curve from 
to 
is
Mathematics
Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?2
D. 
?2
Mathematics
Write a formula for the function described.Function F computes the number of square feet in x square yards.
A. F(x) = 
B. F(x) = 9x
C. F(x) = 
D. F(x) = 9 - x
Mathematics
Shade the solution set in the xy-plane.y ? -x2 - 6x - 4y ? x2 + 6x + 4
A. 
B. 
C. 
D. 
Mathematics