Solve the equation.
+ 
= 4
A. - 2, -8
B. - 
, 8
C. 2, 8
D. 
, -8
Answer: B
Mathematics
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Find the inverse of the function.{(7, 1), (5, 2), (3, 3), (1, 4)}
A. {(2, 1), (1, 3), (7, 5), (2, 3)}
B. {(2, 1), (4, 3), (7, 3), (2, 3)}
C. 
D. {(1, 7), (2, 5), (3, 3), (4, 1)}
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Simplify.Rationalize the denominator. 
A. 
B. 
C. 
D. 
Mathematics
Graph the polynomial function.f(x) = x3 + 3 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rock climber descends to the floor of a canyon in 7 stages, dropping 400 feet each time. Write the total depth of the canyon as a product of integers and find the depth of the canyon.
A. 7 ? (400) = 280; 280 feet deep B. 7 ? (-400) = -2100; 2100 feet deep C. 7 ? (-400) = -2800; 2800 feet deep D. 7 ? (400) = 1800; 1800 feet deep
Mathematics