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hoa [83]
3 years ago
5

Can u help me understand how to write a function for the rule "the output is 3 less than 5 times the input" thanks :)​

Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0

Answer:

I think it would be something like 5x - 3 =

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I'LL GIVE BRAINLIEST TO THE CORRECT ANSWER!
artcher [175]

Solution :

1st -

  • - 3 \times 5 \times ( - 6) \times 4
  • - 15 \times  (- 6) \times 4
  • 90 \times 4
  • 360

2nd -

  • - 4 \times ( - 6 )\times ( - 3) \times ( - 5)
  • 24 \times ( - 3) \times ( - 5)
  • -  72 \times ( - 5)
  • 360

3rd -

  • - 3 \times 4 \times ( - 2) \times ( - 7)
  • - 12 \times ( - 2) \times ( - 7)
  • 24 \times ( - 7)
  • - 168

4th -

  • - 7 \times (  - 3) \times ( - 9) \times 0
  • 21 \times ( - 9) \times 0
  • - 189 \times 0
  • 0

Conclusion - only third choice has negative equivalent value

5 0
1 year ago
Read 2 more answers
Mary invested $200 for 3 years at 5% per annum. John invested $300 at the same rate. If they both received the same amount of in
liubo4ka [24]

Answer:

Step-by-step explanation:

3 0
3 years ago
To solve the equation 7 = 3x-2 for x, what operations
Aleks [24]

X=3

Algebra is not one of my fav subjects in math but I do know this!

when solving what you do to one side you do to the other so

if 3x-2=7

the 2 is negative so you change that -2 into a positive

so add 2 to both sides

7+2=9

3x=9

now divide both sides by 3

X= 9/3 (nine over three)

now divide 9 by 3

9÷3=3

x=3

(Hope this helps!)

6 0
3 years ago
Two piecewise functions are shown below. What is the value of
gizmo_the_mogwai [7]

Step-by-step explanation:

I am not sure what your problem here is.

you understand the inequality signs ?

anyway, to get

6×f(-2) + 3×g(1)

we can calculate every part of the expression separately, and then combine all the results into one final result.

f(-2)

we look at the definition.

into what category is -2 falling ? the one with x<-2, or the one with x>=-2 ?

is -2 < -2 ? no.

is -2 >= -2 ? yes, because -2 = -2. therefore, it is also >= -2.

so, we have to use

1/3 x³

for x = -2 that is

1/3 × (-2)³ = 1/3 × -8 = -8/3

g(1)

again, we look at the definition.

into what category is 1 falling ? the one with x > 2 ? or the one with x <= 1 ?

is 1 > 2 ? no.

is 1 <= 1 ? yes, because 1=1. therefore it is also <= 1.

so we have to use

2×|x - 1| + 3

for x = 1 we get

2×0 + 3 = 3

6×f(-2) = 6 × -8/3 = 2× -8 = -16

3×g(1) = 3× 3 = 9

and so in total we get

6×f(-2) + 3×g(1) = -16 + 9 = -7

3 0
2 years ago
Simplify-4(u+6)+5(3u-6)=
Pepsi [2]
-10+4u because you add the 3u and u because they are alike terms then you add together all the other numbers left
4 0
3 years ago
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