Evaluate the expression for the given replacement values. Write the answer in simplest form.x ÷ y for x = 
, y = - 
A. - 
B. - 
C. -9
D. - 
Answer: D
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Solve the equation.6x + 3 = 33
A. x = 8 B. x = 5 C. x = 4 D. x = 9 E. none of these
Approximate 
dx; n = 4, by (a) Simpson's rule and (b) the trapezoidal rule.Enter your answers in that order as just unlabeled real numbers rounded to two decimal places, separated by a comma.
Fill in the blank(s) with the appropriate word(s).
Differentiate.f(x) = x(x2 + 4)(x3 + 8x + 7)
A. f'(x) = x(x2 + 4)(3x2 + 8) + 2x(x3 + 8x + 7) B. f'(x) = x(x2 + 4)(3x2 + 8) + (x3 + 8x + 7) C. f'(x) = x(x2 + 4)(3x2 + 8) + (x3 + 8x + 7)(3x2 + 4) D. f'(x) = x(x2 + 4)(3x2 + 8x + 7) + (x3 + 8x + 7)(3x2 + 4)
Evaluate the square root. If the root is irrational then approximate the square root to the nearest hundredth.
A. 1.51 B. 15 C. 1.49 D. 1.5