Find the indicated partial sum for the given sequence.s4, 81, -243, 729, -2187, . . .
A. -2187
B. - 1620
C. 4941
D. - 1134
Answer: B
Mathematics
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Use the table to find the instantaneous velocity of y at the specified value of x.x = 1.
A. 0.5 B. 2 C. 1 D. 1.5
Mathematics
Evaluate the expression.sin2 360° + cos2 360°
A. 
B. 1
C. 2
D. 
Mathematics
Solve the problem.The intensity I of light varies inversely with the square of the distance D from the source. If the intensity of illumination on a screen 5 ft from a light is 2 foot-candles, find the intensity on a screen 15 ft from the light.
A. 
foot-candle
B. 
foot-candle
C. 1
foot-candles
D. 2 foot-candles
Mathematics
Evaluate the logarithm without using a calculator.ln e3/4
A. 
e
B. 
C. 
D. 
e
Mathematics