Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.3.9x2 - 0.1x = -1.8
A. 0.013 ± 0.679
B. 0.026 ± 2.683i
C. 0.013 ± 3.599i
D. 0.013 ± 0.679i
Answer: D
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
(2x + 3)
C. 
D. 
Use the quotient rule to simplify.
A. 5
B. 
C. 5
D. 
Use the Newton method to approximate the indicated zero of the function. Continue with the iteration until two successive approximations differ by less than 0.0001. Round your answer to four decimal places, if necessary.
?
The zero of 
between 
and 
, 
.
Fill in the blank(s) with the appropriate word(s).
Determine the x values that cause the polynomial function to be (a) zero, (b) positive, and (c) negative.f(x) = (2x2 + 9)(x - 4)2(x + 3)3
A. (a) {-3, 4}, (b) (-3, 4) ? (4, ?) (c) (-?, -3) B. (a) {-3, 4}, (b) (4, ?), (c) (-?, 4) C. (a) {-3, 4}, (b) (-3, 4) (c) (-3, ?) ? (4, ?) D. (a) {-3, 4}, (b) (-3, ?), (c) (-?, -3)