Write the vertex form of the equation of the parabola shown in the given graph. Assume a = ±1.
A. y = (x - 0)2 - 3
B. y = (x - 3)2
C. y = -(x - 0)2 - 3
D. y = (x - 0)2 + 3
Answer: A
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.2y - x + xy = 5
A. 
= 
; 
= 
B. 
= - 
; 
= 
C. 
= 
; 
= 
D. 
= - 
; 
= 
Mathematics
Write the percent as a fraction in simplest form.62.5%
A. 
B. 
C. 
D. 
Mathematics
Let x be a number. Translate the expression into an English phrase.54 - x
A. 54 less than a number B. 54 decreased by a number C. A number less 54 D. A number decreased by 54
Mathematics
Perform the indicated operations. Assume that all variables represent nonnegative real numbers.3
+ 6x
A. 30x
B. 45
C. (3
+ 30
)x
D. 45x
Mathematics