Express the number as an equivalent decimal. Use bar notation for repeating decimals.
A. 0.175
B. 0.135
C. 0.075
D. 0.185
Answer: A
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Use the given values of a and b and express the given limit as a definite integral.?xk, a = -?/5, b = 0
A. dx
B. dx
C. dx
D. dx
Find the exact value by using a half-angle identity.sin 75°
A. -
B. -
C.
D.
Solve the problem.If f(x, y) = (4000ey)/(1 + /2) represents the population density of a planar region on Earth, where x and y are measured in miles, find the number of people within the rectangle -6 ? x ? 6 and -3 ? y ? 0.
A. 8000(1 - e-3) ln ? 15,807
B. 8000(1 - e-3) ln 4 ? 10,538
C. 4000(1 - e-3) ln 4 ? 5269
D. 16,000(1 - e-3) ln 4 ? 21,076
Find the x- and y-intercepts of f.f(x) = -x2(x + 5)(x2 - 1)
A. x-intercepts: -5, -1, 0, 1; y-intercept: -5 B. x-intercepts: -1, 0, 1, 5; y-intercept: 0 C. x-intercepts: -5, -1, 0, 1; y-intercept: 0 D. x-intercepts: -5, 0, 1; y-intercept: -5