Answer:
Step-by-step explanation:
Hope this helped!
<h3>~AH1807</h3>
A function assigns the values. The number 20 describes the cost that Bobby needs to pay for each extra ounce of letters.
<h3>What is a Function?</h3>
A function assigns the value of each element of one set to the other specific element of another set.
In the given function y = 30 + 20(x - 1), the number 20 describes the cost that Bobby needs to pay for each extra ounce of letters.
Learn more about Function:
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Answer:
61
Step-by-step explanation:
he read first 74 and need to
= 74-30
=44
Answer:
the vertex is (1,-1)
Step-by-step explanation:
y = −3x^2 + 6x − 4
the vertex is at
h= -b/2a where ax^2 +bx+c
h= -6/2(-3)
h= -6/-6
h=1
substitute this in to find the y value
y = -3(1)^2 +6(1)-4
y = -3+6-4
y = -1
the vertex is (1,-1)