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Sliva [168]
3 years ago
14

This equation represents an exponential function that passes through the point (2, 80).

Mathematics
2 answers:
miss Akunina [59]3 years ago
6 0

we know that

If the point belongs to the graph, then the point must satisfy the equation

we will proceed to verify each case

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

The point is (2,80)

Verify if the point satisfy the equation

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

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

f(2)=128

128\neq 80

therefore

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

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

The point is (2,80)

Verify if the point satisfy the equation

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

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

f(2)=80

80=80

therefore

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

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

The point is (2,80)

Verify if the point satisfy the equation

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

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

f(2)=100

100\neq 80

therefore

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

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

The point is (2,80)

Verify if the point satisfy the equation

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

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

f(2)=80

80=80

therefore

the equation 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})

dolphi86 [110]3 years ago
6 0
"f(x) = 5(4)x" is the one equation among the following choices given in the question that <span>represents an exponential function that passes through the point (2, 80). The correct option among all the options that are given in the question is the fourth option or option "D". I hope that the answer has come to your help.</span>
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