A force of 270 newtons stretches a spring 0.18 meter. What force is required to stretch the spring 0.19 meter?
?
A. 295 N
B. 290 N
C. 285 N
D. 280 N
E. 270 N
Answer: C
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Find an equation for the line tangent to the given curve at the indicated point.y = x2 - 4 at (-2, 0)
A. y = -4x - 12 B. y = -4x - 8 C. y = -2x - 8 D. y = -4x - 16
Use integration by parts to establish a reduction formula for the integral.
A. 
= 
+ 
B. 
= x(ln ax) n - n 
C. 
= ax(ln ax) n - an 
D. 
= 
- 
Solve the given applied problems involving variation.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 ft from a light is 
find the intensity on a screen 20 ft from the light.
A. 2 foot-candles B. 0.11 foot-candle C. 0.13 foot-candle D. 8 foot-candles
A city crew must paint the median divider along each of the 48 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
The number of vertices of odd degree in the graph that models this problem is
A. 12. B. 8. C. 4. D. 16. E. none of these