Solve the exponential equation algebraically. Approximate the result to three decimal places.
?

?

A.
B.
C.
D.
E.


Answer: E

Mathematics

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Solve the problem.The sum of 81 times a number and the reciprocal of the number is positive. Find the numbers which satisfy this condition.

A. any number between -  and 
B. any number greater than 
C. any number greater than 0
D. any number between 0 and 

Mathematics

Solve for the missing values. Round money to the nearest cent, rate to the nearest tenth of a percent, and time to the nearest day.Principal: $3151Interest: Rate: 13.9%Time: 346 daysMaturity value: 

A. $426.89; $3577.89 B. $420.96; $3571.96 C. $403.19; $3554.19 D. $427.19; $3578.19

Mathematics

Solve the system by using the inverse of the coefficient matrix.-2x + y + 3z - w = 14-x - 4y + z - 4w = 12-4x + 3y - 2z + w = 43x - y - z - 4w = 3

A. {(-2, -1, -2, 3)} B. {(-4, 2, 3, -5)} C. ? D. {(-2, 1, 2, -3)}

Mathematics

Determine whether the function is invertible by inspecting its graph on a graphing calculator.f(x) = x3 - 0.3x2 + 0.03x - 2

A. Yes B. No

Mathematics