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hram777 [196]
3 years ago
13

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r

ate of increase or decrease. y=720(1.81)^x
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0

Answer:

growth at the rate of 81% increase.

Step-by-step explanation:

When the base of the exponential function (1.81) is greater than one, it is growth, because with x increasing by one, the value increases by 81% (1.81-1.0)

On the other hand, when the base is less than one, then it decrease at the rate of (1-base).  For example, when the base is 0.83, then increasing the value of x DECREASES the value by (1-0.83)= 17%.

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Ann bought a hat for $16.20, a discount of 30% off. She paid 8% for tax how much was the total?
gregori [183]

Answer:

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Step-by-step explanation:

eryeqyqeweyewywewerye

3 0
3 years ago
Select the correct answer.
Scorpion4ik [409]
All are CORRECT except for D.57
4 0
3 years ago
Solve for x. 2 1/2x−3/4(2x+5)=3/8
RUDIKE [14]
2 \frac{1}{2}x- \frac{3}{4}(2x+5)= \frac{3}{8}
2 \frac{1}{2}x- \frac{6}{4}x- \frac{15}{4}= \frac{3}{8}
( 2\frac{1}{2}- \frac{6}{4})x= \frac{3}{8}+ \frac{15}{4}
( \frac{5}{2}- \frac{6}{4})x= \frac{3}{8}+ \frac{15}{4}
( \frac{10}{4}- \frac{6}{4})x= \frac{3}{8}+ \frac{30}{8}
\frac{4}{4}x= \frac{33}{8}
x= \frac{33}{8}=4 \frac{1}{8}

Correct answer: C
6 0
4 years ago
I need help pls pls pls​
lesya [120]

Answer:

1. 3-4; 5^1

2. 9-3; 4^6

3. 2 x 6; 7^12

4. (2 x 6)^4; 12^4

5. x^12*3 = x^36

6. (-12c*3c)^5+4 = -36c^9

Sorry if this is sent too late. Also the “^” means to the exponent of meaning all numbers after the “^” are the exponents. Well.. unless an equal sign is there :D

3 0
3 years ago
98 points possible
Pavel [41]

Answer:

Step-by-step explanation:

symmetry with respect to y-axis for y=f(x) means f(-x)=f(x)

in this case, y = f(x) = x / (x^2+4)

f(-x) = -x / ((-x)^2+4) = -x / (x^2+4) = -f(x)

so it is not symmetric to y-axis

symmetry with respect to x-axis for x=g(y) means g(-y)=g(y)

in this case, y = x / (x^2+4)

y*(x^2+4) = x

y*x^2 + 4y - x = 0

substitute -y into g(y)

(-y)*x^2 +4(-y) - x = 0

-y*x^2 - 4y - x = 0

y*x^2 + 4y + x = 0

so g(-y) is not equal to g(y)

so it is not symmetric to x-axis

8 0
3 years ago
Read 2 more answers
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