Find the general solution for the differential equation.
+ 2y = 23
A. y = 23 + Ce2x
B. y = 
+ e2x + Ce-2x
C. y = 
+ Ce-2x
D. y = 
+ Ce2x
Answer: C
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Solve.Use the following graph to solve -x2 - 3x + 10 = 0.
y = -x2 - 3x + 10
A. 10 B. -10 C. -2, 5 D. 2, -5
Find the x- and y-intercepts of f.f(x) = -x2(x + 3)(x2 + 1)
A. x-intercepts: -3, -1, 0; y-intercept: -3 B. x-intercepts: -3, -1, 0; y-intercept: 3 C. x-intercepts: -3, -1, 0, 1; y-intercept: 0 D. x-intercepts: -3, 0; y-intercept: 0
Find all numbers that are not in the domain of the function. Then give the domain using set notation.f(x) = 
A. none; (-?, ?) B. -7; {x|x ? -7} C. -1; {x|x ? -1} D. -7, 7; {x|x ? -7, 7}
Classify the equation as a contradiction, an identity, or a conditional equation. 7x - (3 - x) = 5[3 - (4 + 6x - 7)]
A. Contradiction B. Identity C. Conditional