3 years ago

If f(x) = 4x - 20, what is f(4)?

Mathematics

2 answers:

cestrela7 [59]3 years ago

5 0

Answer:

-4

Step-by-step explanation:

Hope it helps

Nataliya [291]3 years ago

4 0

Answer:

f(4) = -4

Step-by-step explanation:

f(x) = 4x - 20

Let x= 4

f(4) = 4*4 - 20

Multiply first

= 16 -20

Then subtract

= -4

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Respuesta:

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Step-by-step explanation:

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3 years ago

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3 years ago

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Alika [10]

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7 0

3 years ago

Find the slope of the line (18,0)(10,-5)

Leya [2.2K]

Answer:

$m=\frac{5}{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (18, 0)

Point (10, -5)

Step 2: Find slope m

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

Substitute [SF]: $m=\frac{-5-0}{10-18}$
Subtract: $m=\frac{-5}{-8}$
Simplify: $m=\frac{5}{8}$

3 0

2 years ago

Read 2 more answers