The following expressions represent denominators of rational expressions. Find their LCD.r2 + 3r, 4r + 12, and r2 + 6r + 9
A. 4(r + 3)
B. 4r(r + 3)2
C. 4(r + 3)2
D. r(r + 3)2
Answer: B
You might also like to view...
Determine the ratio and write it in lowest terms.5 hours to 40 minutes
A. 
B. 
C. 
D. 
Provide an appropriate response.Derive the equations x = x0 + (v0 cos ?)t, y = y0 + (v0 sin ?)t - 
gt2by solving the following initial value problem for a vector r in the plane. Differential equation: 
= -gj Initial conditions: r(0) = x0i + y0j 
(0) = v0 cos ?)i + (v0 sin ?)j
What will be an ideal response?
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
+ 
Use the data to complete the table.The following is the number of hours students studied per week on average. 
A. Frequency: 2, 5, 5, 4, 4 B. Frequency: 2, 5, 4, 5, 4 C. Frequency: 2, 5, 5, 3, 5 D. Frequency: 2, 4, 6, 4, 4