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Allushta [10]
2 years ago
8

Y=5x+5 is the equation of a straight line graph. What is its gradient?

Mathematics
2 answers:
Nikolay [14]2 years ago
6 0

Answer:

5

Step-by-step explanation:

The equation of a straight line is :

y=mx+c

where m is the gradient and c is the y-intercept

so if m equals 5 then the gradient is 5

jeka57 [31]2 years ago
4 0

Answer:

gradient = 5

Step-by-step explanation:

The gradient is the coefficient of x, so for y = 5x + 5 it is 5.

(the +5 part is the y-intercept, i.e. where x = 0)

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Suppose f(x)=2x−5. Find the value of f(3)<br><br> can someone please help me with this?
dmitriy555 [2]

f(3) = 1

substitute x = 3 into f(x)

f(3) = (2 × 3) - 5 = 6 - 5 = 1


3 0
2 years ago
What is the inverse of the function f(x) = x +3?
MAXImum [283]

Answer:

f⁻¹(x) = x - 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Functions
  • Function Notation
  • Inverse Functions

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = x + 3

<u>Step 2: Find</u>

  1. Swap:                                                                                                                 x = y + 3
  2. [Subtraction Property of Equality] Isolate <em>y</em>:                                                      x - 3 = y
  3. Rewrite:                                                                                                             f⁻¹(x) = x - 3
6 0
3 years ago
Find f(x) = -3x2 + 2x - 7 if f(-1) <br> I am really confused. Can someone please help me?
Oksanka [162]
F(-1)
replace all x with -1
f(-1)=-3(-1)^2+2(-1)-7
f(-1)=-3(1)-2-7
f(-1)=-3-9
f(-1)=-12
3 0
3 years ago
The table shows the results of rolling a die 100 times. What was the average value per roll?
Alchen [17]
Where is the table ??
8 0
3 years ago
Please help me I really need help with this
Helga [31]

Answer:

The answer might be c

Step-by-step explanation:

4 0
3 years ago
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