Multiply, then simplify the product. Assume that all variables represent positive real numbers.(8 + 
)(8 - 
)
A. 64 - 
B. 61
C. 55
D. 64 - 
Answer: D
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Write the equation as an equivalent exponential equation.log3 
= -4
A. 
4 = 3
B. 381 = 4
C. 3-4 = 
D. 43 = 
Provide an appropriate response.Identify the radicand, the radical, and the square root of 
= 9.
A. Radicand is 81; radical is 
; square root is 9.
B. Radicand is 9; radical is 
; square root is 81.
C. Radicand is 
; radical is 81; square root is 9.
D. Radicand is 9; radical is 
; square root is 9.
Solve the problem.Find the Fahrenheit temperature when the Celsius temperature is 90° C.
A. 
°F
B. 162 °F
C. 194 °F
D. 122 °F
Provide an appropriate response.Suppose that a ball is thrown straight down from the top of a building with an initial speed of 40 feet per second. If y represents the speed of the ball, in feet per second, and x represents the time, in seconds, after the ball is thrown, then 
a) Find the speed after 0, 2, and 4 seconds, and write the results as ordered pairs.b) Draw the graph for the above equation.c) From the graph, determine the time in seconds after the ball is dropped for it to reach a speed of 200 feet per second.
What will be an ideal response?