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Consider two functions: g(x) 20(1.5)^x and the function f(x) shown in the table. Which statements are true?

asked
User Henry
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1 Answer

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the complete question in the attached figure

using a graphical tool ---------------- > see attached figures

1 f(1) is less than g(−1)

we have that

f(1)=-33 and g(-1)=20(1.5)^(-1)=20*(1/1.5)=13.33-------- > g(x) is not negative

therefore

f(1) is less than g(−1)---------------- > true

2. f(x)​ increases at a faster rate than ​g(x)​ does on the interval (−5, −3) .

g(-5)=2.634 g(-3)=5.926 (5.926/2.634)=2.25

2.25-1=1.25--------------- >the rate increases at 125%

f(-5)=-45 f(-3)=-49 49/45=1.09

1.09-1=0.09--------------- >the rate increases at 9%

in the interval (−5, −3) g(x) increases at a faster rate than f(x)

therefore

f(x)​ increases at a faster rate than ​g(x)​ does on the interval (−5, −3)---> false

3. g(x)​ has a greater y-intercept than ​f(x)​ does

g(x)​ y-intercept----------- > is 20

f(x)​ y-intercept----------- > is -40

20>-40

therefore

g(x)​ has a greater y-intercept than ​f(x)​ does--------------> true

4. f(x) and ​g(x)​ are both increasing on the interval (−∞, ∞)------> true

the answers are

f(1) is less than g(−1)

g(x)​ has a greater y-intercept than ​f(x)​ does

f(x) and ​g(x)​ are both increasing on the interval (−∞, ∞)

Consider two functions: g(x) 20(1.5)^x and the function f(x) shown in the table. Which-example-1
Consider two functions: g(x) 20(1.5)^x and the function f(x) shown in the table. Which-example-2
Consider two functions: g(x) 20(1.5)^x and the function f(x) shown in the table. Which-example-3
answered
User David Van Brink
by
8.5k points

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