Find the coordinates of the vertex of the quadratic function.f(x) = (x + 5)2 + 8
A. (-5, 8)
B. (8, -5)
C. (8, -25)
D. (-8, 5)
Answer: A
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Provide an appropriate response.True or false? j3 = -j
A. False B. True
Write an equation that expresses the relationship. Use k as the constant of 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 56 ft from a light is 2.7 foot-candles, find the intensity on a screen 70 ft from the light.
A. 1.728 foot-candles B. 3.38 foot-candles C. 2.16 foot-candles D. 4.22 foot-candles
Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log325
A. 3.22 B. 1.10 C. 0.34 D. 2.93
Find the slope of the line. If the slope is undefined, state this.
A. 0
B. Undefined
C. 1
D. 