For the given equation, do the following:(a) Simplify the expression on each side of the equal sign. (b) See if 5 is a solution to both the given equation and the equation formed in part (a).4x + 2(x + 1) = 1 + 5x + 6
A. (a) 6x + 1 = 5x + 6; (b) 5 checks in both equations.
B. (a) 6x + 1 = 5x + 7; (b) 5 does not check in either equation.
C. (a) 6x + 1 = 5x + 7; (b) 5 only checks in the given equation.
D. (a) 6x + 2 = 5x + 7; (b) 5 checks in both equations.
Answer: D
You might also like to view...
Provide an appropriate response.The standard normal probability density function is defined by f(x) = 
e- x2/2. (a) Use the fact that 
dx = 1 to show that 
dx =
.(b) Use the result in part (a) to show that the standard normal probability density function has variance 1.
What will be an ideal response?
Provide an appropriate response.The area of the surface formed by revolving the graph of 
from 
to 
about the line 
is 
The area of the surface formed by revolving the graph of r = f(?) from ? = ? to ? = ? about the
line 
is 
Use the idea underlying these two integral formulas to find the surface area of the torus formed by revolving the circle r = a about the line 
where 
What will be an ideal response?
Solve the problem.It took three assembly-line workers 3.78 seconds, 6.058 seconds, and 7.2 seconds to assemble a product. How many seconds in all did they work?
A. 9.478 sec B. 10.98 sec C. 9.838 sec D. 17.038 sec
Find the area of the geometric figure.
A. 45 sq m B. 54 sq m C. 36 sq m D. 18 sq m