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3 years ago

HELP NOW OR ELSE!

Mathematics

2 answers:

qaws [65]3 years ago

8 0

2 times 5 times 4 is your answer

Zielflug [23.3K]3 years ago

3 0

The answer is b
have a nice day:)

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Which of the following functions represent exponential decay?

Zina [86]

Option C: $f(x)=3^{5}\left(\frac{1}{3}\right)^{x}$ is the function that represent exponential decay.

Explanation:

The exponential decay can be represented by

$f(x)=a \cdot b^{x}$ where $a>0$ and $0$

Option A: $f(x)=3(1.7)^{x-2}$

From the function, we can see that $a=3$ and $b=1.7$

Thus, $a>0$ and $b>1$

Thus, the function $f(x)=3(1.7)^{x-2}$ does not represent exponential decay.

Hence, Option A is not the correct answer.

Option B: $f(x)=3(1.7)^{-2 x}$

From the function, we can see that $a=3$ and $b=1.7$

Thus, $a>0$ and $b>1$

Thus, the function $f(x)=3(1.7)^{-2 x}$ does not represent exponential decay.

Hence, Option B is not the correct answer.

Option C: $f(x)=3^{5}\left(\frac{1}{3}\right)^{x}$

From the function, we can see that $a=3^5=243$ and $b=\frac{1}{3} =0.3333$

Thus, $a>0$ and $0$

Thus, the function $f(x)=3^{5}\left(\frac{1}{3}\right)^{x}$ represent exponential decay.

Hence, Option C is the correct answer.

Option D: $f(x)=3^{5}(2)^{-x}$

From the function, we can see that $a=3^5=243$ and $b=2$

Thus, $a>0$ and $b>1$

Thus, the function $f(x)=3^{5}(2)^{-x}$ does not represent exponential decay.

Hence, Option D is not the correct answer.

8 0

4 years ago

3+(55-111)/25 equals what

Ket [755]

Answer:

0.76

Step-by-step explanation:

3+(55-111)/25

=3+(-56)/25

=3+ (-2.24)

=0.76

7 0

3 years ago

Read 2 more answers

Olivia ate 2/8 of the pizza. her dad ate 3/8 of the pizza. how much is left?

satela [25.4K]

Total eaten pizza = 2/8 + 3/8 = 5/8
Left pizza = 1 - 5/8 = 3/8

In short, Your Answer would be 3/8

Hope this helps!

4 0

3 years ago

Read 2 more answers

Which equation has (2, -1) as a solution?

ipn [44]

To find which of the following equations has (2, -1) as a solution, we just need to substitute the x and y values shown in the ordered pair into the equation, and if it simplifies into a true statement, then it will be a solution.

A) y = 2x - 1
-1 = 2(2) - 1
-1 = 4 -1
-1 = 3
Except, -1 ≠ 3, so the answer isn't A.

B) y = x + 3
-1 = 2 + 3
-1 = 5
Except, -1 ≠ 5, so the answer isn't B either.

C) y = x -3
-1 = 2-3
-1 = -1
-1 does equal -1, so the answer is C.

Just to be sure, we should make sure that answer D doesn't work either.

D) y = -2x + 1
-1 = -2(2) + 1
-1 = -4 + 1
-1 = -3
-1 doesn't equal -3, so D isn't the answer.

Therefore, the equation that has (2, -1) as a solution is C) y = x - 3.

4 0

3 years ago

Is the function (3x-4)(-6x+5) linear or quadratic

snow_tiger [21]

The function will be quadratic. If you were to multiply out the factored form, you would have an x^2 term, which makes it quadratic.

6 0

4 years ago