Complete the square to find the x-intercepts of the function.f(x) = 4x2 + 40x + 60
A. (-5 + 
, 2), (-5 - 
, 2)
B. (5 + 
, 0), (5 - 
, 0)
C. (-5 + 
, 0), (-5 - 
, 0)
D. (-5 + 
, 0), (-5 - 
, 0)
Answer: D
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Let U = {all soda pops}, A = {all diet soda pops},B = {all cola soda pops}, C = {all soda pops in cans},and D = {all caffeine-free soda pops}. Describe theset in words.(A ? B) ? C'
A. All cola soda pops not in cans B. All diet and all cola soda pops not in cans C. All non-diet, non-cola soda pops not in cans D. All diet cola soda pops not in cans
Provide an appropriate response.Rearrange the formula to solve for the indicated letter: C = KD, for K
Fill in the blank(s) with the appropriate word(s).
Simplify using order of operations.-7 + 6(5 - 9)
A. 4 B. 31 C. -4 D. -31
Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z
A. 
= - 
; 
= - 
; 
= ln xy
B. 
= 
; 
= 
; 
= z ln (xy)z-1
C. 
= z ln 
; 
= zln
; 
= ln xy
D. 
= 
; 
= 
; 
= ln xy