Write the equation of the line that passes through the points (1, 7) and (5, 15) using function notation.
y = 2x + 5
y = 4x + 8
f(x) = 2x + 5
f(x) = 4x + 8

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

How to solve a simultaneous equation involved with fractions?

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