State whether the parabola opens upward or downward.f(x) = -3x2
A. Upward
B. Downward
Answer: B
Mathematics
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Solve the problem.Evaluate 
at t = 
? for the function w = 
; x = sin t, y = cost, z = t2.
A. - 
B. - 
C. - 
D. 
Mathematics
Evaluate the integral.
A. 32 B. 25 C. 50 D. 16
Mathematics
Find the inverse of the one-to-one function.f(x) = 
A. f-1(x) = 
+ 
B. f-1(x) = 
C. f-1(x) = - 
- 
D. f-1(x) = 
+ 
Mathematics
Evaluate. 72
A. 49 B. 64 C. 128 D. 14
Mathematics