Algebraic Expression: 5x + 3y ÷ 2 = z

Word Phrase: 5 times x plus 3 times y divided by 2 equals z
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7 0

3 years ago

Decide if the function is an exponential growth function or exponential decay function, and describe its end behavior using limi

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Answer:

The answer is (d)

Exponential decay function

$\lim_{x \to -\infty} f_x=0$

$\lim_{x \to \infty} f_x= \infty$

Step-by-step explanation:

∵ y = 0.8^x

∵ 0.8 < 1

∴ 0.8^x is decreasing ⇒ exponential decay function

Ex: 0.8^-4 = 2.441 ⇒ 0.8^4 = 0.4096

when x increase the value of 0.8^x decrease

$\lim_{n \to -\infty} f_x=0.8^{-\infty} = \frac{1}{0.8^{\infty}}=0$

$\lim_{x \to \infty} f_x=0.8^{\infty}=\infty$

∴ The answer is (d)

5 0

3 years ago

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eduard

Answer:

The characteristics of a directly proportional relationship graph: Linear Function. Passes through the origin(root at [independent variable] = 0]) Slope equal to ratio between y and x (y:x or y/x)

Step-by-step explanation:

5 0

3 years ago

What does y=kx mean​

What does y=kx mean