Answer:
2 seconds and 38 seconds
Step-by-step explanation:
h=-16t²-vot
1,200=-16t²-640t
turn this into standard form
16t²-640t+1200=0
now plug thes numbers into the quadratice formula
a 16 b -640 c 1200
solve with quadratic formula to get ≅2 and ≅38 seconds
Answer:
the graph has a minimum
Step-by-step explanation:
the minimum is -9
See the graph below
<h2>
Explanation:</h2>
First of all, let's rename those expressions as follows:
So we we have two lines written in slope-intercept form. In order to graph those lines, let's find two points for each:
First line:
This line is the green one shown below.
Second line:
This line is the red one shown below.
<h2>Learn more:</h2>
Shifting graphs: brainly.com/question/10010217
#LearnWithBrainly
Answer:
A
Step-by-step explanation:
Since -8 < 0, we use the top equation which is x^2.
f(-8) = x^2
f(-8) = -8^2
f(-8) = 64