For the given equation, decide whether the graph opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
or 
.y = - 3x2 - 6x + 5
A. Down; narrower
B. Up; narrower
C. Up; wider
D. Down; wider
Answer: A
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 8)x
A. x ln(x + 8)
B. (x + 8)x
C. ln(x + 8) + 
D. x + (8)x-1
Mathematics
Factor the polynomial completely. If the polynomial is prime, so state.10z2 + 11z - 6
A. (2z - 3)(5z + 2) B. (10z + 3)(z - 2) C. (2z + 3)(5z - 2) D. prime
Mathematics
Solve the problem.Bobby built a house of cards 20 ft 1 in. tall. Pam built a house of cards 
tall. How much taller is Bobby's house of cards than Pam's?
A. 9 ft 3 in. B. 10 ft 11 in. C. 9 ft 10 in. D. 9 ft 2 in.
Mathematics
Find the product.
?
?
A. ?
B. ?
C. 
D. 
E. ?
Mathematics