Provide an appropriate response.The solution of the equation 4(5s - 7) = 20s - 28 is given as 0. Is this correct? Explain.
What will be an ideal response?
No. The equation is an identity with solution set {all real numbers}.
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Find the second derivative of the function.s = 
A. 
= 5t4 - 
- 
B. 
= 20t5 + 
+ 
C. 
= 5t3 - 
- 
D. 
= 20t3 + 
+ 
Round the number to the nearest ten, nearest hundred, and nearest thousand.4794
A.
| Ten | 4790 |
| Hundred | 4800 |
| Thousand | 5000 |
B.
| Ten | 4800 |
| Hundred | 4700 |
| Thousand | 4000 |
C.
| Ten | 4800 |
| Hundred | 4800 |
| Thousand | 5000 |
D.
| Ten | 4790 |
| Hundred | 4700 |
| Thousand | 5000 |
Solve the problem.The stretch in a loaded spring varies with the load it supports. If the spring stretches 6 cm for every pound of load added, find the distance in centimeters that the spring has stretched when 7 pounds are added.
A. 7 cm B. 42 cm C. 13 cm D. -1 cm
Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 68 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 208 km to 765 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1