Questions: Describe verbally the transformations that can be used to obtain the graph of g from the graph of f.
g(x) = 7^(x+8) ; f(x) = 7^x
Select the correct choice below and, if necessary, fill in the answer box(es) within your choice.
(Type integers or simplified fractions.)
A. The graph of g is the graph of f shifted unit(s) to the left and stretched horizontally by a factor of .
B. The graph of g is the graph of f reflected in the y-axis.
C. The graph of g is the graph of f reflected in the x-axis.
D. The graph of g is the graph of f shifted unit(s) to the right.
E. The graph of g is the graph of f shifted unit(s) up.
F. The graph of g is the graph of f shifted unit(s) to the left.
G. The graph of g is the graph of f shifted unit(s) down.
H. The graph of g is the graph of f shifted unit(s) down and stretched horizontally by a factor of .
I. The graph of g is the graph of f shifted unit(s) up and stretched horizontally by a factor of .
J. The graph of g is the graph of f shifted unit(s) to the right and stretched horizontally by a factor of .
Transcript text: Describe verbally the transformations that can be used to obtain the graph of $g$ from the graph of $f$.
\[
g(x)=7^{x+8} ; f(x)=7^{x}
\]
Select the correct choice below and, if necessary, fill in the answer box(es) within your choice.
(Type integers or simplified fractions.)
A. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) to the left and stretched horizontally by a factor of $\square$ .
B. The graph of $g$ is the graph of $f$ reflected in the $y$-axis.
C. The graph of $g$ is the graph of $f$ reflected in the $x$-axis.
D. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) to the right.
E. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) up.
F. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) to the left.
G. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) down.
H. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) down and stretched horizontally by a factor of $\square$ .
I. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) up and stretched horizontally by a factor of $\square$ .
J. The graph of $g$ is the graph of $f$ shifted $\square$ unit(s) to the right and stretched horizontally by a factor of $\square$ .
Solution
Solution Steps
To transform the graph of \( f(x) = 7^x \) into the graph of \( g(x) = 7^{x+8} \), we need to identify the effect of the transformation \( x \to x+8 \). This transformation shifts the graph horizontally. Specifically, adding 8 to the input \( x \) shifts the graph 8 units to the left.
Solution Approach
Identify the transformation in the function \( g(x) = 7^{x+8} \) compared to \( f(x) = 7^x \).
Recognize that adding a constant to \( x \) results in a horizontal shift.
Determine the direction and magnitude of the shift.
Step 1: Identify the Transformation
The function \( g(x) = 7^{x+8} \) can be compared to \( f(x) = 7^x \). The transformation involves the expression \( x + 8 \), indicating a shift in the graph.
Step 2: Determine the Direction and Magnitude of the Shift
The addition of 8 to \( x \) signifies that the graph of \( f(x) \) is shifted horizontally. Specifically, since we are adding to \( x \), the graph shifts to the left by 8 units.
Final Answer
The graph of \( g \) is the graph of \( f \) shifted \( 8 \) units to the left. Thus, the answer is A.