3 years ago

Evaluate the following function f(x) = x²-20 for f(5)

Mathematics

2 answers:

Kay [80]3 years ago

5 0

Answer:

Step-by-step explanation:

Subitute:

f(5) = 5^2-20

Solve:

f(5) = 5

stealth61 [152]3 years ago

4 0

Answer:

f(5) = 5

Step-by-step explanation:

To evaluate f(5) , substitute x = 5 into f(x), that is

f(5) = 5² - 20 = 25 - 20 = 5

You might be interested in

A mathematical phrase represented by numbers, variables, and operations is a(n)<br> pls help:)

stira [4]

Answer:

Expression

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Please help me simplify this

lianna [129]

$\sqrt{2 \: + \: \sqrt{3} } \: + \: \sqrt{2 \: - \: \sqrt{3} } \: - \: \sqrt{3 \: + \: 2 \sqrt{2} } \: - \: \sqrt{3 \: - \: 2 \sqrt{2} }$
$\sqrt{2 + \sqrt{3} } \: + \: \sqrt{2 - \sqrt{3} } \: - \: \sqrt{ { (\sqrt{2 } + 1) }^{2} } \: - \: \sqrt{ {( \sqrt{2} - 1) }^{2} }$
$\sqrt{2 \: + \: \sqrt{3} } \: + \: \sqrt{2 \: - \: \sqrt{3} } \: - \: 2 \sqrt{2} \: = \: - 0.378937$

8 0

3 years ago

Read 2 more answers

The function y=e−3x is vertically stretched by a factor of 4, reflected across the y-axis, and then shifted up 5 units, find the

olya-2409 [2.1K]

Answer:

Step-by-step explanation:

y = e^(-3x)

Stretch by factor of 4

y = 4e^(-3x)

Reflect across y axis

y = 4e^(3x)