Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.3(x - 1) = 15
A. {2.63}
B. {6.00}
C. {3.46}
D. {1.46}
Answer: C
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Provide an appropriate response.Explain why 
= 5.
What will be an ideal response?
Solve the problem.A load L (in N) is distributed along a beam 10 m long such that L = 24x - 0.4x2, where x is the distance from one end of the beam. Find the expression for the instantaneous rate of change of L with respect to x.
A. 24 - 0.8x B. 24x - 0.8x2 C. -0.8x D. 24 - 0.4x
Find the dimensions of a rectangle of area 400
that has the smallest possible perimeter.
a. 4 ft by 100 ft b. 1 ft by 400 ft c. 2 ft by 200 ft d. 20 ft by 20 ft
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -5, y = -4; (-5, -4) B. inconsistent C. x = -5, y = 4; (-5, 4) D. x = 4, y = -5; (4, -5)