Factor the difference of two squares.49x2 - 9

A. (7x + 3)2
B. (7x + 3)(7x - 3) 
C. (7x - 3)2
D. (49x + 1)(x - 9) 


Answer: B

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.

A. 4 ln - 2ln - 2ln + C
B. -4 ln  + tan-1  + C
C. - + 2ln + 2ln + C
D. -4 ln + 2ln + 2ln + C

Mathematics

Which reasoning process is shown in the following example?If Mary goes to the mall, she gets ice cream. Mary did not get ice cream. We conclude Mary did not go to the mall.

A. theoretical reasoning B. deductive reasoning C. reasoning by counterexample D. inductive reasoning

Mathematics

Construct a truth table for the statement.(p ? q) ? (~p ? q)

A.

TTF
T F T
F T F
F F F
B.
TTT
T F F
F T T
F F F
C.
TTT
T F F
F T T
F F T
D.
TTT
T F T
F T T
F F T

Mathematics

Determine the slope and x and y intercepts for the equation:

3x - 9y = 12

Mathematics