3 years ago

Which exponential function is represented by the values in the table? (-2,16) (-1,8) (0,4) (1,2) (2,1)

Mathematics

1 answer:

mote1985 [20]3 years ago

7 0

4(r)^x=y
4(r)^(1)=2
r=1/2
y=4*(1/2)^x

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qaws [65]

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We can use the FOIL method to expand two multiplied binomials. It states that $(a+b)(c+d)=ac+bc+ac+bd$ . The FOIL method stands for First(first terms) outer(outer terms) inner(inner terms) last(last terms).

So, we can expand our binomials now!

$(8p-2)(6p+2)=(8p)(6p)-2(6p)+(8p)(2)-2(2)=48p^2-12p+14p-4=\boxed{48p^2+2p-4}$

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