Question 16 PLEASE HELP for f(x) =-2x+4,find f(x) when x=-3

10

Step-by-step explanation:

-2(-3)+4=f(x)

6+4=f(x)

10=f(x)

Hope it helps <3

10

Step-by-step explanation:

We are given:

f(x)= -2x+4

and told to find f(x) when x= -3

X is equal to -3, therefore we can substitute -3 in for x.

f(x)= -2x+4 when x= -3

f(-3)= -2(-3)+4

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

First, multiply -2 and -3. Multiplying 2 negative numbers makes a positive number.

f(-3)= 6+4

Add 6 and 4

f(-3)=10

When x= -3, f(x) is 10

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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