Assume that y is directly proportional to x. Use the values to find a linear model that relates y and x.

a.

b.

c.

d.


a.

Mathematics

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Find the domain of the rational function.f(x) = 

A. All real numbers except 3, -3, and -5 B. All real numbers except 3 and -5 C. All real numbers except -3 and 5 D. All real numbers

Mathematics

Find all values for which at least one denominator is equal to 0. Write answers using the symbol ?. Do not solve. +  = 0

A. x ? -16, -8 B. x ? -16, -8, -13, -2 C. x ?16, 8 D. x ? 16, 8, 13, 2

Mathematics

Combine. Simplify the answer.15 + 5

A. 20
B. 21
C. 19
D. 15

Mathematics

Write using exponential notation.8 ? 8 ? 8 ? 3 ? 3 ? 3 ? 3 ? 3 ? 3 ? 7

A. 83 ? 36 ? 7 B. (8 ? 3 ? 7)10 C. 38 ? 63 ? 17 D. 8 ? 3 ? 710

Mathematics