Determine if the given function y = f(x) is a solution of the accompanying differential equation. y' - y = 7ex y = ex + 7xex
A. Yes
B. No
Answer: A
Mathematics
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Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.15.8
A. 1
B. 
C. 1
D. 15
Mathematics
Complete the following for the given f(x). (i) Find f(x + h). (ii) Find the difference quotient of f and simplify.f(x) = -4
A. (i) h - 4 (ii) h B. (i) h - 4 (ii) 0 C. (i) -4 (ii) -4 D. (i) -4 (ii) 0
Mathematics
Translate to an equation and solve. 42% of what is 84?
A. 200 B. 0.5 C. 50 D. 2000
Mathematics
Determine the intervals of the domain over which the function is continuous.
A. (-?, ?)
B. 
C. 
D. [0, ?)
Mathematics