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ioda
3 years ago
7

Need help pls Need it

Mathematics
1 answer:
madreJ [45]3 years ago
7 0
B
hope this helps!!!!!
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A function is defined by f (x) = 5 (2 minus x). What is f(–1)? –5 5 15 53
Helen [10]

Answer:

f(-1) = 15

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<u> </u>

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 5(2 - x)

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                           f(-1) = 5(2 - -1)
  2. (Parenthesis) Subtract:                                                                                     f(-1) = 5(3)
  3. Multiply:                                                                                                             f(-1) = 15
5 0
3 years ago
Read 2 more answers
A company has two factories, factory A and factory B. The cost per item to produce q items in factory A is 200 + 3q q . The cost
Serhud [2]

Answer:

100

Step-by-step explanation:

200+3qq+400+q3q

200+3q²+400+3q²

3q²-3q²+400-200    

q²=200

q²=200/2

q²=100

7 0
3 years ago
How much change will you get back if you bought 3 $0.99 chocolate bars and paid with $5 bill
Molodets [167]
You will get $2.03 back in change 
4 0
3 years ago
How do you do the expression
strojnjashka [21]
L x (times) w ( length times width) 9x4=36 I think.
3 0
3 years ago
If f(x)=2x+3 and g(x)=x^2+1 find f(g(3))<br><br> Help!!<br> A.23<br> B.47<br> C.82<br> D.90
True [87]

Answer

A. 23

step-by-step explanation

g(x) =  {x}^{2} + 1

We put x=3 into the function g

\implies g(3)= {3}^{2} + 1

\implies \: g(3)=10

Also,

f(x)=2x +3

we substitute the value of g(3) into f

\implies f(g(3))=f(10)

\implies f(g(3))=f(10) = 2(10) + 3

\implies f(g(3))=23

8 0
3 years ago
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