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3 years ago

6

Carlos is going to bake some banana muffins for his friend's birthday, but he wants to make only half of a batch. a full batch c

alls for 1 3/4 cups of flour. write a division expression that you could use to find the same amount of flour in a half batch of banana muffins.

1 answer:

ehidna [41]3 years ago

3 0

1 3/4 cups of flour ÷ 2 = 7/8 of a cup of flour.

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pav-90 [236]

we know that

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we proceed to verify each case if the point $(2,80)$ satisfied the exponential function

<u>case A</u> $f(x)=4(x^{5})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

so

$f(2)=4(2^{5})=128$

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the exponential function $f(x)=4(x^{5})$ not passes through the point $(2,80)$

<u>case B</u> $f(x)=5(x^{4})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

so

$f(2)=5(2^{4})=80$

$80=80$

therefore

the exponential function $f(x)=5(x^{4})$ passes through the point $(2,80)$

<u>case C</u> $f(x)=4(5^{x})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

so

$f(2)=4(5^{2})=100$

$100\neq 80$

therefore

the exponential function $f(x)=4(5^{x})$ not passes through the point $(2,80)$

<u>case D</u> $f(x)=5(4^{x})$

For $x=2$ calculate the value of y in the equation and then compare with the y-coordinate of the point

so

$f(2)=5(4^{2})=80$

$80=80$

therefore

the exponential function $f(x)=5(4^{x})$ passes through the point $(2,80)$

therefore

<u>the answer is</u>

$f(x)=5(x^{4})$

$f(x)=5(4^{x})$

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