The function f(x) = 3(1.8)" is an exponential function. Af(x) a. Determine the value of the ratio over the following intervals of æ: i. From æ = 0 to a = 1.5. Af(x) Preview ii. From x = 1.5 to x = 3. Af(x) Preview Δε iii. From x = 3 to x = 5. Af(x) Preview b. Does the function ƒ have a constant rate of change?

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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The function \( f(x) = 3(1.8)^x \) is an exponential function.

a. Determine the value of the ratio \( \frac{\Delta f(x)}{\Delta x} \) over the following intervals of \( x \):

    i. From \( x = 0 \) to \( x = 1.5 \).

\[ \frac{\Delta f(x)}{\Delta x} = \, \text{[Input field]} \, \text{Preview button} \]

    ii. From \( x = 1.5 \) to \( x = 3 \).

\[ \frac{\Delta f(x)}{\Delta x} = \, \text{[Input field]} \, \text{Preview button} \]

    iii. From \( x = 3 \) to \( x = 5 \).

\[ \frac{\Delta f(x)}{\Delta x} = \, \text{[Input field]} \, \text{Preview button} \]

b. Does the function \( f \) have a constant rate of change?

- \( \circ \) No, because the ratio \( \frac{\Delta f(x)}{\Delta x} \) is not constant.
- \( \circ \) Yes, because any time \( x \) changes by 1, \( f(x) \) changes by the same amount.
- \( \circ \) Yes, because the ratio \( \frac{\Delta f(x)}{\Delta x} \) is constant for any change in \( x \).

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Transcribed Image Text:The function \( f(x) = 3(1.8)^x \) is an exponential function. a. Determine the value of the ratio \( \frac{\Delta f(x)}{\Delta x} \) over the following intervals of \( x \):     i. From \( x = 0 \) to \( x = 1.5 \). \[ \frac{\Delta f(x)}{\Delta x} = \, \text{[Input field]} \, \text{Preview button} \]     ii. From \( x = 1.5 \) to \( x = 3 \). \[ \frac{\Delta f(x)}{\Delta x} = \, \text{[Input field]} \, \text{Preview button} \]     iii. From \( x = 3 \) to \( x = 5 \). \[ \frac{\Delta f(x)}{\Delta x} = \, \text{[Input field]} \, \text{Preview button} \] b. Does the function \( f \) have a constant rate of change? - \( \circ \) No, because the ratio \( \frac{\Delta f(x)}{\Delta x} \) is not constant. - \( \circ \) Yes, because any time \( x \) changes by 1, \( f(x) \) changes by the same amount. - \( \circ \) Yes, because the ratio \( \frac{\Delta f(x)}{\Delta x} \) is constant for any change in \( x \). [Submit button]
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