Answer:
B. 1 :)
Step-by-step explanation:
Every time the x value gets bigger, the y laue does too. Positive numbers are larger than negative ones so every time we get closer to 0, our values get bigger :)
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It is the first one for sure! Hope this helps
<em>(x + y)³</em>
- Step-by-step explanation:
<em> use (a + b)³ = a³ + 3a²b + 3ab² + b³</em>
<em>x³ + 3x²y + 3xy² + y³ =</em>
<em>= (x + y)³</em>
Answer:
x ≈ 1.9087
Step-by-step explanation:
We don't know what methods you learned in class, but here's one way to solve the equation.
Make x the exponent of a constant:
5^(x+2) = 3^(3x)
(5^x)(5^2) = (3^3)^x
25(5^x) = 27^x
Put the powers all on one side of the equation and everything else on the other side.
25 = (27^x)/(5^x) = (27/5)^x = 5.4^x
Take logarithms.
log(25) = x·log(5.4)
x = log(25)/log(5.4)
x ≈ 1.9087
