For the function find the maximum number of real zeros that the function can have, the maximum number of x-intercepts that the function can have, and the maximum number of turning points that the graph of the function can have. f(x) = -3.53x4 - x3 + x2 - 7x + 2
A. 4; 5; 5
B. 4; 4; 3
C. 3; 3; 4
D. 4; 3; 2
Answer: B
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Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.
A. 8x + 8ln
- 
+ 7ln
+ C
B. 8x + 8ln
- 
+ 7ln
+ C
C. 8x + 9ln
+ 
+ 7ln
+ C
D. 
+ 8ln
- 
+ 7ln
+ C
Divide and simplify.
A. 
+ 
B. - 
- 
C. - 
- 
D. 
+ 
Solve the problem using two linear equations in two variables and Cramer's rule.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 1500 gal of gasohol containing 10% alcohol? (Round to the nearest whole gallon.)
A. 625 gal 5%, 875 gal 12% B. 75 gal 5%, 180 gal 12% C. 1071 gal 5%, 1071 gal 12% D. 429 gal 5%, 1071 gal 12%
Find the product.(3x - 4)3
A. 27x3 - 108x2 + 108x - 64 B. 27x3 - 108x2 + 144x - 64 C. 9x2 - 24x + 16 D. 27x3 + 108x2 + 144x + 64