Simplify the expression by combining any like terms.6a - 2a + 4
A. 4a + 4
B. -4a + 4
C. 8a + 4
D. 8a
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. ln 
+ 
tan-1 
+ C
B. 3 ln 
+ 
tan-1 
+ C
C. 3 ln 
+ tan-1 
+ C
D. 3 ln 
+ 
tan-1 
+ C
Mathematics
Multiply.
A. 
B. 
C. 
D. 
Mathematics
Find the reciprocal.- 
A. - 
B. -8
C. 
D. 
Mathematics
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 2(x - 7)(x - 6)3
A. -7, multiplicity 1, crosses x-axis; -6, multiplicity 3, crosses x-axis B. 7, multiplicity 1, touches x-axis; 6, multiplicity 3 C. 7, multiplicity 1, crosses x-axis; 6, multiplicity 3, crosses x-axis D. -7, multiplicity 1, touches x-axis; -6, multiplicity 3
Mathematics