Which ordered pairs lie on the graph of the exponential function f(x)=2(x+4)−8f(x)=2(x+4)−8 ?

2 answers:

6 0

Simplify the equation
f(x) = 2x + 8 - 8
f(x) = 2x

Now substitute the x values
f(24) = 2(24) = 48
f(8) = 2(8) = 16
f(2) = 2(2) = 4
f(-2) = 2(-2) = -4

The correct answer is 4. (-2,-4)

Setler [38]3 years ago

6 0

I assume this is meant to read f(x)=2(x+4)-8, which is f(x)=2x. The only point to satisfy this is (-2,-4), answer 4.

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There are 797 identical plastic chips numbered 1 through 797 in a box. What is the probability of reaching into the box and rand

anygoal [31]

Answer:

0.6357 = 63.57% probability of reaching into the box and randomly drawing a chip number that is smaller than 507

Step-by-step explanation:

The probability of drawing each chip is the same, which means that the uniform distribution is used to solve this question.

Uniform distribution:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distribution has two bounds, a and b, and the probability of finding a value lower than x is given by:

$P(X < x) = \frac{x - a}{b - a}$

There are 797 identical plastic chips numbered 1 through 797 in a box.

This means that $a = 1, b = 797$

What is the probability of reaching into the box and randomly drawing a chip number that is smaller than 507?

$P(X < 507) = \frac{507 - 1}{797 - 1} = 0.6357$

0.6357 = 63.57% probability of reaching into the box and randomly drawing a chip number that is smaller than 507

3 0

3 years ago

Please i need this answer fast

irga5000 [103]

Answer:

<u>Multiply</u> <u>3</u> on both sides.

Step-by-step explanation:

Subtract 22 on both sides so that the positive 22 can be canceled out and that the variable and one other number is left.

$\frac{f}{3} + 22 = 17$

$-22$ $-22$

You should then get this equation:

$\frac{f}{3} = -5$

Since there is division involved in $\frac{f}{3}$ , multiply both sides by three (Hint: Opposite of division is multiplication!) so that 3 would cancel out and that only the variable f is left.