Heather has the equation y = 2·3x + 1. She wants to graph a function that represents exponential decay. What should she change in her equation? A) change the 2 to a 1 2 B) change the 3 to a 1 3 C) change the + 1 to a - 1 D) change the x to a 2

Question

Mathematics

Josie

18 June, 17:06

Heather has the equation y = 2·3x + 1. She wants to graph a function that represents exponential decay. What should she change in her equation? A) change the 2 to a 1 2 B) change the 3 to a 1 3 C) change the + 1 to a - 1 D) change the x to a 2

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Clare Tucker · Answer 1

The correct answer is B), change 3 to 1/3.

Raising a whole number to an exponent will make the value increase. Raising a fraction to an exponent, however, will make the value decrease.