2 years ago

If f(x) = 3 ^ x - 4 what is f(- 2) ?

Mathematics

1 answer:

Karolina [17]2 years ago

8 0

Answer:

-35/9

Step-by-step explanation:

(3^-2)-4

1/9-4

-35/9

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Read 2 more answers

Rewrite in simplest rational exponent form <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D%20%2A%20%5Csqrt%5B4%5D%7Bx%7D" id="T

Shkiper50 [21]

The given expression written in the simplest rational exponent form is $x^{\frac{3}{4} }$

<h3>Writing an Expression in Exponent form</h3>

From the question, we are to write the given expression in exponent form

The given expression is

$\sqrt{x} \times \sqrt[4]{x}$

In exponent form,

$\sqrt{x} = x^{\frac{1}{2} }$

and

$\sqrt[4]{x} = x^{\frac{1}{4} }$

Thus, $\sqrt{x} \times \sqrt[4]{x}$ becomes

$x^{\frac{1}{2} } \times x^{\frac{1}{4} }$

Applying the multiplication law of indices, we get

$x^{\frac{1}{2} + \frac{1}{4} }$

= $x^{\frac{3}{4} }$

Hence, the given expression written in the simplest rational exponent form is $x^{\frac{3}{4} }$

Learn more on Writing an expression in exponent form here: brainly.com/question/4421494

#SPJ1

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9 months ago

If f(x) = 3 ^ x - 4 what is f(- 2) ?​

If f(x) = 3 ^ x - 4 what is f(- 2) ?