Subtract 15 from both sides.
Subtract 15 from 30 to get 15.
Divide both sides by 5.
Divide 15 by 5 to get 3.
Let x=3.
Checked ✅
What is the y-intercept of the function f(x)=4 - 5x? (Hint: use the commutative property)
1 answer:
Answer:
Therefore the y-intercept of the function is 4.
Step-by-step explanation:
Intercepts:
The line which intersect on x-axis and y-axis are called intercepts.
y-intercept: The line or function which intersect at y-axis. So when the line intersect at y-axis, X coordinate is zero.
So in the given Function Put x = 0 we will get the y-intercept
Put x =0
Therefore the y-intercept of the function is 4.
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Answer:
Please specify what the three expressions are.
Step-by-step explanation:
From what I understand, you need to set the expressions equal to each other. For instance, if one is 2(x-3) and the other is 2x-6, you could write it as:
Then, by evaluating it, you would get:
by distribution over subtraction.
by the additive property of equality
Simplify.
by the reflexive axiom.
Since x will always equal itself, 2(x-3) and 2x-6 are equivalent.
Therefore, if the expressions, once set equal to each other, result in the equation x=x, or any other expression in which one quantity equals itself, the two expressions are equal.
Sorry I could not be of more help, but you did not specify what the expressions were.