Find the solution to the system by addition (elimination) method.x + y = -3x - y = 11
A. (4, 7)
B. (3, -7)
C. (4, -7)
D. (3, 4)
Answer: C
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A ball is tossed upward from the top of a building and allowed to fall to the ground. Its distance D, in feet, above the ground t seconds after the toss is given by
.
A: How tall is the building? Round your answer to whole number.B: What is the maximum height reached by the ball, and when does this occur? Round your answers to two decimal places.C: How long does it take for the ball to hit the ground? Round your answer to two decimal places.
What will be an ideal response?
You are given a table showing input and output values for a given function y1 = f(x). Use the table to answer the question.What is the x-intercept of the graph of y = f(x)?
A. 0 B. -1 C. 6 D. -2
Find the exact value of the logarithmic expression.log1010,000
A. -4
B. 40
C. 4
D. 
Find (2x + 5)3 .Don't forget that (2x + 5)3 means (2x + 5)(2x + 5)(2x + 5).
A. 8x3 + 20x2 + 150x + 125 B. 8x3 + 60x2 + 150x + 25 C. 8x3 + 60x2 + 50x + 125 D. 8x3 + 30x2 + 150x + 125 E. 8x3 + 60x2 + 150x + 125