Let 
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Use a Riemann sum with four subintervals of equal length (
) to approximate the area of R (under the graph of f on the interval [0, 2]). Choose the representative points to be the left end points of the subintervals.
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Repeat previous part with eight subintervals of equal length (
).
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Compare the approximations obtained in previous parts with the exact area (14 sq units). Do the approximations improve with larger n?
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A. 12.25 sq units; 10.5 sq units; no
B. 10.5 sq units; 12.25 sq units; no
C. 10.5 sq units; 12.25 sq units; yes
D. 12.25 sq units; 10.5 sq units; yes
Answer: C
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Multiply and simplify.2
? 4
A. 16
B. 8x
C. 16x
D. 8x
A certain resistor has a resistance of
Simplify the right hand side of this equation.
Find the annual percentage rate using the annual percentage rate table.
Amount Financed: $900Finance Charge: $142.92 Number of monthly payments: 30
A. 12.50% B. 11.50% C. 11.75% D. 12.00%
The height of a projectile fired upward with an initial velocity of 240 feet per second is given by the formula
?
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where h is the height in feet and t is the time in seconds. Find the time required for the projectile to return to earth.
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Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).