Solve the inequality. Express your answer using interval notation.x + 7 < 2

A. (-5, ?)

B. (-?, -5)

C. (-?, 9)

D. (-?, 9]


Answer: B

Mathematics

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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.3

A.
B.
C.
D.

Mathematics

Determine whether the given equation is an identity. =  + 4

A. Yes B. No

Mathematics

Solve the compound inequality. Graph the solution set and write the solution in interval notation.x < 4 or x < 8

A. (-?, 4) ? (8, ?)

B. (4, 8)

C. (4, ?)

D. (-?, 8)

Mathematics

Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7

A. x-intercept: (-7, 0), m: - 

B. x-intercept: (0, -7), m: 0

C. x-intercept: (0, 0), m: -7

D. x-intercept: (-7, 0), m: undefined

Mathematics