Factor the polynomial by grouping.x2 + 4x + 7x + 28
A. (x - 4)(x - 7)
B. (x + 4)(x + 7)
C. (x - 4)(x + 7)
D. prime
Answer: B
You might also like to view...
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
- 
tan-1 
- 
+ C
B. ln 
- 
tan-1 
+ C
C. ln 
- 
+ C
D. - 
tan-1 
- 
+ C
Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line y = 
x + 7; passes through the point (3, -5); slope-intercept form
A. y = - 9x - 22
B. y = - 9x + 22
C. y = - 
x - 
D. y = 9x - 22
Provide an appropriate response.Suppose an initial investment grows from $2000 to $2817.39 over three years. First find the nominal rate compounded monthly and then find the equivalent effective rate.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.pH = -log10[H+] Find the [H+] if the pH = 5.4.
A. 2.51 x 10-6 B. 3.98 x 10-6 C. 2.51 x 10-5 D. 3.98 x 10-5