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I need help on 4 and 5

2 real zeros when b^2 = 4 a c from the general equation ax^2 + bx + c = 0

wait how would i explain it for number 4?

upward opening means a is positive

I did 1-3. I just need some help on 4 and 5

show what you have then

ok hang on one sec

@Michele_Laino please help

It seems that your answer is right!

thanks! umm im just confused about 4 and 5 though can you help? @Michele_Laino

I think that we have to write the function of each on-ramp

yes! I think so!

ok thanks! what about number 5??

how would i make the tables?

for part #5, we have to construct those two on-ramps

how would i do that

wait i already did that? number 5 wants a table how do i do that?

i'm confused now?

and the second one, can be represented by this function:
\[y = - x + 5\]

for number 5? arent they asking for a table though

I know, nevertheless in order to write a table, you have to start with a function

as you can check, the first function:
y=(1/2)(x+1) passes at point (-1,0)

ok so i would make a table for each function
1. f(x) = x^2 - 1
2. y = x + 1
3. f(x) = 2^x -1

whereas the second function:
y=-x+5, passes at point (2,3)

ok so I would start with the first point each function passes through to the fifth point they pass?

yes! It is a possible procedure

ok so thats all I would do then explain? thanks so much!