Solve.Find the sum: (9y2 - 4) + (7y2 - y + 2)
A. 16y2 + y + 2
B. 16y4 - y - 2
C. 16y2 - y + 6
D. 16y2 - y - 2
Answer: D
Mathematics
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Find an equation of the line tangent to the given curve at the point (a, f(a)). f(x) = e8x, a = 0
A. y = x + 1 B. y = 8e + 1 C. y = 8x + 1 D. y = 8x + 8
Mathematics
Expand the quotient by partial fractions.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Use the commutative property of addition to write an equivalent algebraic expression.7x + 2y
A. 7x - 2y B. 7x + 2y C. 7y + 2x D. 2y + 7x
Mathematics
Find all the first order partial derivatives for the following function.f(x, y, z) = x2y + y2z + xz2
A. 
= 2xy; 
= x2 + 2yz; 
= y2 + 2xz
B. 
= 2xy + z2; 
= x2 + yz; 
= y2 + xz
C. 
= 2y + z2; 
= x2 + 2z; 
= y2 + 2x
D. 
= 2xy + z2; 
= x2 + 2yz; 
= y2 + 2xz
Mathematics