For the given functions f and g, find the requested function.f(x) = 4x2 - 2x + 6; g(x) = -5x + 4Find (f + g)(2).
A. -20
B. 2
C. 6
D. 12
Answer: D
Mathematics
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Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 3x + 6y3z2
A. Yes B. No
Mathematics
Use the discriminant to determine the number and type of solutions for the equation.25x2 - 10x + 1 = 0
A. Two complex-number solutions B. One real-number solution C. Two real-number solutions
Mathematics
Simplify.3 + 
= 
A. x = 4 B. x = 1 C. x = 3 D. x = 2
Mathematics
Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 9 above is called the 
.
A. subtrahend B. difference C. addend D. minuend
Mathematics