Write the equation of the line with the given slope, m, and y-intercept, (0, b).m = 0; b = -2
A. y = x - 2
B. y = -2
C. x = -2
D. x = y - 2
Answer: B
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Solve the problem.Find an upper bound for 
in estimating 
with n = 6 steps.
A. 
B. 
C. 
D. 
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 1
D. 
Write the first five terms of the geometric sequence with the given information.an = 7an-1; a1 = 4
A. 4, 11, 18, 25, 32 B. 7, 28, 196, 1372, 9604 C. 28, 196, 1372, 9604, 67,228 D. 4, 28, 196, 1372, 9604
Let 
?
Use a Riemann sum with four subintervals of equal length (
) to approximate the area of R (under the graph of f on the interval [0, 2]). Choose the representative points to be the left end points of the subintervals.
?
Repeat previous part with eight subintervals of equal length (
).
?
Compare the approximations obtained in previous parts with the exact area (4 sq units). Do the approximations improve with larger n?
?
A. 4.8 sq units; 4.4 sq units; yes
B. 4.4 sq units; 4.8 sq units; yes
C. 4.8 sq units; 4.4 sq units; no
D. 4.4 sq units; 4.8 sq units; no