Solve the equation by changing it to exponential form.log x = - 2
A. x = 
B. x = 
C. x = -20
D. x = 20
Answer: A
Mathematics
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Determine if the function is a solution to the given differential equation.y = 2e2x + xe2x; y'' - 2y' + 1 = 0.
A. Yes B. No
Mathematics
Find the center of the hyperbola.6x2 - y2 - 72x + 8y - 94 = 0
A. (-6, -4) B. (-1, 4); C. (6, -3); D. (6, 4)
Mathematics
Solve the inequality and graph the solution.-4 < 
A. n ? -20
B. n < -20
C. n ? -20
D. n > -20
Mathematics
Use the product rule to simplify the expression. Write the result using exponents.s2 ? s4 ? s2
A. s6 B. s10 C. s6 D. s8
Mathematics