All categories

3 years ago

The functions, f and g, are defined below. f(x) = 2x² +5 g(x)=x-3 What is f(g( – 5))

Mathematics

2 answers:

Grace [21]3 years ago

7 0

Answer:

Step-by-step explanation:

nikklg [1K]3 years ago

5 0

Answer:

133

Step-by-step explanation:

Evaluate g(- 5) then substitute the value obtained into f(x)

g(- 5) = - 5 - 3 = - 8, then

f(- 8) = 2(- 8)² + 5 = 2(64) + 5 = 128 + 5 = 133

You might be interested in

What is the slope of the line that passes through the pair of points (-1, 4), (3,12)

Nadya [2.5K]

Answer:

$\displaystyle m = 2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Identify

Point (-1, 4)

Point (3, 12)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m = \frac{12-4}{3--1}$
[Fraction] Subtract: $\displaystyle m = \frac{8}{4}$
[Fraction] Divide: $\displaystyle m = 2$

3 0

3 years ago

20 points 3 math questions please help with these math questions

JulsSmile [24]

Answer:

B, False,

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Mr. Moran chose 10 different test scores out of 50, and they are shown below. For the following set of data, find the mean test

frozen [14]

Answer:

39.5

Step-by-step explanation:

5 0

2 years ago

Help pls shejsbsjsjshsjsvshzhabjs

alex41 [277]

I think it’s 1. If wrong sorry

8 0

2 years ago

Read 2 more answers

Diana saves $5.25 cach week. How much will she save in a year? There are 52 weeks in a year.

dmitriy555 [2]

go on a calculator and multiply 5.25 by 52

4 0

2 years ago

Read 2 more answers