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3 years ago

Determine if the function f is an exponential function. If so, identify the base. If not, why not? f(x) = 3^x + 1

Mathematics

1 answer:

alex41 [277]3 years ago

8 0

Answer:

Step-by-step explanation:

f(x) has the variable in the exponent, so is an exponential function.

The base is 3.

The base is what is being raised to the power of x.

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3 years ago

Round your answer to the nearest tenth if necessary. Use 3.14 for it.

aliina [53]

Answer:

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3 years ago

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2 years ago

Frank weighs 160 pounds and is on a diet to gain two pounds a week so that he can make the football team. John weighs 208 pounds

gladu [14]

Answer: If Frank and John can meet these goals with their diets , they will weigh same after 9.6 weeks and they will weigh 179.2 pounds.

Step-by-step explanation:

Let x = Number of weeks.

As per given question ,

Weight of Frank after x weeks = 160+2x (pounds)

Weight of John after x weeks = 208-3x (pounds)

When Weight of Frank= Weight of John

$\Rightarrow\ 160+2x= 208-3x$

$\Rightarrow\ 2x+3x= 208-160$

$\Rightarrow\ 5x= 48\Rightarrow\ x=\dfrac{48}{5}=9.6$

Weight of Frank after 9.6 weeks = 160+2(9.6) = 179.2 pounds

Weight of John after 9.6 weeks = 208-3(9.6)=179.2 pounds

Hence, If Frank and John can meet these goals with their diets , they will weigh same after 9.6 weeks and they will weigh 179.2 pounds.

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3 years ago