Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.2x - 
= 
x2
A. -3.100, -0.233
B. -0.333
C. 0.333, 3
D. 3
Answer: C
Mathematics
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Evaluate the integral.
A. 
ln 
+ C
B. 
tan-1 
+ C
C. 
ln 
+ C
D. 2
+ 2
tan-1 
+ C
Mathematics
Solve the problem.Find the points where the graph of the function has horizontal tangents.f(x) = x3 - 21x
A. (-
, 42
), (0, 0), (
, -42
)
B. (-
, 14
), (
, -14
)
C. (-7, -196), (
, 196)
D. (
, -42
)
Mathematics
Evaluate the expression for the given value of the variable or variables.x(3x + 13); x = -5
A. -5 B. 5 C. - 10 D. 10
Mathematics
The percent p of impurities that can be removed from the waste water of a manufacturing process at a cost of C dollars is given by 
. Find any C values within the domain of the problem at which the rate of change of p with respect to C does not exist.
?
A. 
B. 
C. 
D. 
E. All C values within domain are valid.
Mathematics