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How would I find the range btw im only allowed a Ti-84 calculator So pls tell me how to solve this without using any stepbystep caulculators or desmos

How Would I Find The Range Btw Im Only Allowed A Ti84 Calculator So Pls Tell Me How To Solve This Without Using Any Stepbystep Caulculators Or Desmos class=

Sagot :

Answer:

D

Step-by-step explanation:

u dont really need a calculator for this problem

to find the answer, you have to look at the equation.

f(x)=20x+4

the 4 is the y-intercept (0,4), which tells us that the range will start from number 4.

the 20x tells u to multiply the x by the 20

so if it was 20(1)=20, 20(2)= 40, 20(3)= 60 ....

so if you add x amount of plates to the barbell, it will be 20 times x plus 4(because 4lbs is the weight of the barbell itself)

so 0 plates is 4, 1 plate is 20(2) + 4 = 44, 20(4)+4= 84 ....

(i didnt do 20(1) or 20(3) because you need to have a even number of plates of each side of the barbell.)

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