Determine if the given function y = f(x) is a solution of the accompanying differential equation.y' - y = 3exy = e3x + 3xex
A. Yes
B. No
Answer: B
Mathematics
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Find the slope of a line tangent to the given curve at the given point.y = 
; x = 0.86 (Round the nearest hundredth.)
A. -1.51 B. 0.08 C. -1.59 D. -4.05
Mathematics
Graph the region described by the inequality.x + 2y ? 6
A. 
B. 
C. 
D. 
Mathematics
Determine the period of the function and sketch its graph.y = cos 
A. period: 2?
B. period: 4?
C. period: 4
D. period: 4?
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)
= 
+ 
A. 
B. 
C. 
D. {-1}
Mathematics