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The graph of 
y=f(x+3) is shown. For which value of 
x, rounded to the nearest whole number, must 
f(x)=0 ?

The graph of y=f(x+3) y=f(x+3) is shown. For which value of x x , rounded to the nearest whole number, must f(x)=0 f(x)=0 ?

Full solution

Q. The graph of y=f(x+3) y=f(x+3) is shown. For which value of x x , rounded to the nearest whole number, must f(x)=0 f(x)=0 ?
  1. Understand Transformation: To solve for the value of xx where f(x)=0f(x) = 0, we need to understand the transformation applied to the function f(x)f(x) to get the graph of y=f(x+3)y = f(x+3).\newlineThe graph of y=f(x+3)y = f(x+3) is a horizontal shift of the graph of y=f(x)y = f(x) to the left by 33 units.\newlineThis means that the xx-values on the graph of y=f(x+3)y = f(x+3) are 33 units less than the corresponding xx-values on the graph of y=f(x)y = f(x).
  2. Find value of xx for f(x)=0f(x)=0: To find when f(x)=0f(x)=0, we need to find what value of xx results in f(x+3)=0f(x+3)=0.\newlineSince f(x+3)=0f(x+3)=0, it implies that x+3=0x+3=0, because when you input x=3x = −3, you get (3)+3=0(−3)+3=0.\newlineHence, the value of xx is 3-3, when f(x)=0f(x)=0.

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