Q. Determine the value of y, if x is 2.y=x2−9Answer:
Given Function and Task: We are given the function y=x2−9 and asked to find the value of y when x is 2. To find y, we substitute x with 2 in the equation and calculate the result. y=22−9
Calculate Square of 2: Calculate the square of 2. 22=4
Substitute and Calculate: Substitute the value from the previous step into the equation. y=4−9
Perform Subtraction: Perform the subtraction to find the value of y.y=−5
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