Find the distance on the number line between the pair of numbers.-1, 19
A. -18
B. -20
C. 18
D. 20
Answer: D
Mathematics
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Find the inverse of the function.f(x) = e-x + 2
A. f-1(x) = -ex - 2
B. f-1(x) = -ln(x - 2)
C. f-1(x) = ln 2 - ln x
D. f-1(x) = ex - 
Mathematics
Solve the problem.A square plywood platform has a perimeter which is 6 times the length of a side, decreased by 6. Find the length of a side.
A. 1 B. 2 C. 3 D. 5
Mathematics
Simplify the expression.-6(2x - 5) - 4x + 7
A. -16x - 23 B. 8x + 37 C. -16x + 37 D. 16x + 37
Mathematics
Write an equivalent expression. Use an associative law.2(ab)
A. 2a + 2b B. a(2b) C. (2a)b D. 2(ba)
Mathematics