Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 0.015x3 + 4; interval [-6, 0]; 3 subintervals
A. 7.68
B. 21.84
C. 15.36
D. 10.92
Answer: C
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Find the infinite sum accurate to three decimal places.
A. 1.036 B. 0.972 C. -1.036 D. -0.972
Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = -y2 - 16y - 57
A. Axis of symmetry is x = -8.
B. Axis of symmetry is y = 8.
C. Axis of symmetry is x = 8.
D. Axis of symmetry is y = -8.
Find the indicated matrix.Let A = [-3 2] and B = [1 0]. Find 2A + 3B.
A. [-5 4] B. [0 2] C. [-3 4] D. [-6 4]
Solve the problem.A deposit of $11,000 is made in an account that earns 5.6% interest compounded quarterly. The balance in the account after n quarters is given by the sequence an = 11,000(1 + 
)n, n = 1, 2, 3, ...Find the balance in the account after four years by computing a16
A. $11,629.06 B. $13,740.42 C. $4996.52 D. $3762.52