1 answer:
Answer:
y = 9x + 12
<em>Brainliest, please!</em>
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Step-by-step explanation:
Here's the formula:
y = mx + b
m = slope/rate, b = initial value
m = 9, b = 12
y = 9x + 12
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Answer:
8)y=2x-3
9)y= -1/2+4
Step-by-step explanation:
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Answer:
Step-by-step explanation:
when h(t)=0
-4.9 t²+19.6t=0
4.9t(-t+4)=0
either t=0 or t=4
so domain is 0≤t≤4
for range
h(t)=-4.9t²+19.6t
=-4.9(t²-4t+4-4)
=-4.9(t-2)²+19.6
so range is 0≤h≤19.6
