Answer:
X=1
Step-by-step explanation:
You want to start by collecting like terms (6x and 5x) which creates:
x+1=2
Move the constant to the right hand side and change the sign:
x=2-1
Calculate
x=1
Let A = {a, b, c}, B = {4, 5, 6}, and f = {(a, 6), (b, 4), (c, 6)}. Is f a function from A to B? Explain
Gennadij [26K]
Answer:
Yes
Step-by-step explanation:
Given
Required
Is f a function of A->B
f can be rewritten as
x --- y
a -- 6
b -- 4
c -- 6
The x column is regarded as the input while the y is the output
Notice that for every input, there is a corresponding output and no input points to multiple outputs.
i.e No value of x has more than 1 value of y
<em>Because of this singular reason; f is a function of A->B</em>
Answer:
AB = 2
Step-by-step explanation:
Calculate the length using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = A(- 3, - 4) and (x₂, y₂ ) = B(- 1, - 6)
AB =
=
=
= = 2 ≈ 2.83 ( to 2 dec. places )
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