Answer:
k = 5
Step-by-step explanation:
The standard form of an equation representing proportionality is
y = kx ← k is the constant of proportionality
y = 5x ← is in standard form
with k = 5
F(1) = -2
hope it helps
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To find the average rate of change, evaluate the function at the given points.
Evaluate the difference of the function at the given points.
Divide the difference of the function at the given points with the difference of the given points.
x ≤ 2.6 would look like this on the number line, the 2.6 part would be shaded in as well and not left open since x is less than OR EQUAL to 2.6
How To Solve It:
$2.30 x 4 = $9.20
$25.50 - $9.20 = $16.30
$16.30 ÷ 3 = $5.43
Answer:
Each cup of hot chocolate costs $5.43
I hope this helps! :)