Solve the equation.3(6 - 2x) = 9
A. {-2}
B. {2}
C. {1}
D. {3}
Answer: B
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Find T, N, and B for the given space curve.r(t) = (7 + t)i + (9 + ln(sec t))j - 7k, -?/2 < t < ?/2
A. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j ; B = -k B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j ; B = -k C. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j ; B = k D. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j ; B = k
Find the derivative of the function.y = x3cos x - 8x sin x - 8 cos x
A. x3 sin x - 3x2 cos x + 8x cos x B. -x3 sin x + 3x2 cos x - 8x cos x C. -x3 sin x + 3x2 cos x - 8x cos x - 16 sin x D. -3x2 sin x - 8 cos x + 8 sin x
Write the whole number in expanded form.812
A. 8000 + 100 + 20 B. 81,200 C. 200 + 10 + 8 D. 800 + 10 + 2
Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Cream Rinse: $7.59 for 10 ounces $9.00 for 12 ounces
A. $9.00 for 12 ounces B. $7.59 for 10 ounces C. Both cost the same per ounce.