Vai kaads vareetu paliidzet ar matemaatiku?

Man vairāk pa zobam literatūra un mūzika

2.b = http://www.wolframalpha.com/input/?i=5^(3x-2)-5^(3x-1)>-100
125^x<625
5^(3 x)>625
-4 5^(3 x-2)>-100
c = http://www.wolframalpha.com/input/?i=3*9^x-28*3^x<-9
3^x (3^(x+1)-28)<-9
3 (9^x+3)<28 3^x
(3^x-9) (3^(x+1)-1)<0
1b = http://www.wolframalpha.com/input/?i=2^(2x-3)+2^(2x)=144
4^x = 128
2^(2 x) = 128
9 2^(2 x-3) = 144
c = http://www.wolframalpha.com/input/?i=16^x+7-4^x-44=0
16^x = 4^x+37
4^(2 x)-4^x = 37
-4^x+4^(2 x)-37 = 0
d = http://www.wolframalpha.com/input/?i=(4x^2-36)(0,5^x-16)=0
(0.5^x-16) (x^2-9) = 0
4 (0.5^x-16) (x^2-9) = 0
4 (0.5^x-16) (x-3) (x+3) = 0

slikti var saprast, kas rakstiits. homework.lv ;)

nē