Ask question

Ask question

All categories

3 years ago

14

If g(x) = x3 - 5 and h(x) = 2x - 2, then h(g(-2))= ?

1 answer:

mixas84 [53]3 years ago

4 0

Please, write "x^3" for "the cube of x," not "x3." "^" denotes exponentiation.

Then you have g(x) = x^3 - 5 and (I assume) h(x) = 2x - 2.

1) evaluate g(x) at x = -2: g(-2) = (-2)^3 - 5 = -8 - 5 = -13

2) let the input to h(x) be -13: h(-13) = 2(-13) - 2 = -28 (answer)

You might be interested in

What is the product of 84,90?

MAVERICK [17]

84•90 is 7,560.

ndheisn

3 0

4 years ago

The grocery store is having a candy sale. Originally, a candy bar was $1.50. The

dangina [55]

The markdown rate is 66.7%.

<h3>Markdown rate</h3>

Using this formula

Markdown rate= Change in price/original price×100

Let plug in the formula

Markdown rate=$1.50-$0.50/$1.50

Markdown rate=$1.00/$1.50×100

Markdown rate=66.66%

Markdown rate=66.7% (Approximately)

Inconclusion the markdown rate is 66.7%.

Learn more about markdown rate here:brainly.com/question/1153322

8 0

3 years ago

5x88x9x7x3x9x10x31x47=

Gre4nikov [31]

1.09047708 E10 i guess

6 0

3 years ago

Read 2 more answers

Mr.Johnson is planning what to wear tomorrow. He has a white shirt, a plaid shirt, and a blue shirt. He has four pairs of pants

const2013 [10]

Answer:

Mr. Johnson has 12 possibilities.

Step-by-step explanation:

The information provided are:

Mr. Johnson has a white shirt, a plaid shirt, and a blue shirt.
Mr. Johnson has four pairs of pants, black, brown, gray, and white.
He chooses one shirt and one pair of pants.

Compute the number of ways to select a shirt and a pair of pants as follows:

Total number of ways = Number of Shirts × Number of pair of pants

$=3\times 4\\\\=12$

Thus, Mr. Johnson has 12 possibilities.

8 0

3 years ago

Kyoko is reading a book by her favorite author. She read the first 20 pages in One-half of an hour. Reading at the same pace, Ky

eduard

Answer:

It will take her 3 hours to read 120 pages.

Step-by-step explanation:

The number of pages read(y) after x hour can be modeled by a linear function in the following format:

$y = ax + b$

In which a is the number of pages read per hour and b is the initial number of pages read.

A straight line goes through (0, 0)

This means that when $x = 0, y = 0$

So

$y = ax + b$

$0 = a*0 + b$

$b = 0$

(0.5, 20)

When $x = 0.5, y = 20$

So

$y = ax$

$20 = 0.5a$

$a = \frac{20}{0.5}$

$a = 40$

The function in:

$y(x) = 40x$

According to the graph, which statement must be true?

It will take her 2 hours to read 60 pages.

$y(2) = 40*2 = 80$

Less than 2 hours for 60 pages, so this is false.

It will take her 3 hours to read 120 pages.

$y(3) = 40*3 = 120$

This statement is true.

It will take her 4 hours to read 180 pages.

$y(4) = 40*4 = 160$

More than 4 hours to read 180 pages. So false.

It will take her 5 hours to read 210 pages.

$y(5) = 40*5 = 200$

More than 5 hours to read 210 pages. So false.

6 0

3 years ago