Step-by-step explanation:
Explanation:
Because
(2,6) is in the function, we can plug
6 as y
and
2 as x.
From that we get
6=a(2−1)2+k
6=a+k
Same for the next point:
12=a(3−1)2+k
12=22a+k
12=4a+k
Now we have this system of equations to solve:
a+k=6
4a+k=12
Solving it leads to the conclusion that
a=2,k=4 .
<span>Let Rico's speed be S
Then Luis' is: 3S
</span>We then get: seventy-two over s equals seventy-two over three s plus four
216=72+12s Multiplying by LCD, 3S
216-72=12s
<span>144 = 12S
</span><span>S, or Rico's speed would be 144 over 12 or 12mph</span>
Answers:
<h2>y = 7 when x = 1</h2><h2>y = 10 when x = 2</h2><h2>y = 13 when x = 3</h2>
Step-by-step explanation:
To solve this, we plug in the given values for x, 1, 2, and 3.
<h2>Scenario 1. What is y when x is 1?</h2>
y = 3x + 4
y = 3(1) + 4
y = 3 + 4
y = 7
<h2>Scenario 2: What is y when x is 2?</h2>
y = 3x + 4
y = 3(2) + 4
y = 6 + 4
y = 10
<h2>Scenario 3: What is y when x is 3?</h2>
y = 3x + 4
y = 3(3) + 4
y = 9 + 4
y = 13
Interesting pattern: y appears to be 3 times x
In other words: as x increases by 1, y will increase by 3. The slope of this line is y/x or 3/1 or simply, 3.
Answer:
1. -4
2. 8/ 5 - 1. 6
Step-by-step explanation:
1 . 3 × -4
= (-12)
2. 2/5 × 4
= 8 / 5
= 1.6
Hope this answer helps you :)
Have a great day
Mark brainliest
