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Maths-

General

Easy

Question

What is the y -coordinate of the y -intercept of the graph of $y equals 3 to the power of x plus 9$ ?

The correct answer is: 10

HINT: y intercept is the y value we get, when we set x = 0
Complete step by step Solution
Given equation is $y equals 3 to the power of x plus 9$
When we set x = 0, the y value we get is the y coordinate of the y intercept.
When x = 0, we get $y equals 3 to the power of 0 plus 9 equals 1 plus 9 equals 10 to the power of 6$
So y coordinate is 10.
Hence 10 is the y coordinate of the y intercept of the graph $y equals 3 to the power of x plus 9$

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