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Yuki888 [10]
3 years ago
6

If function f is vertically stretched by a factor of 2 to give function g, which of the following functions represents function

g?
f(x) = 3|x| + 5

A. g(x) = 6|x| + 10

B. g(x) = 3|x + 2| + 5

C. g(x) = 3|x| + 7

D. g(x) = 3|2x| + 5
Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

A. g(x) = 6|x| +10

Step-by-step explanation:

The parent function is given as:

f(x) = 3|x| + 5

Applying transformation:

function f is vertically stretched by a factor of 2 to give function g.

To stretch a function vertically we multiply the function by the factor:

2*f(x) = 2[3|x| + 5]

g(x) = 2*3|x| + 2*5

g(x) = 5|x| + 10

BigorU [14]3 years ago
3 0

Answer: Option A.

Step-by-step explanation:

There are some transformations for a function f(x).

One of the transformations is:

If kf(x) and k>1, then the function is stretched vertically by a factor of "k".

Therefore, if the function provided f(x) = 3|x| + 5 is vertically stretched by a factor or 2, then the transformation is the following:

2f(x)=g(x)=2(3|x| + 5)

Applying Disitributive property to simplify, we get that the function g(x) is:

g(x)=6|x| +10

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