Write an equation of a parabola with the given vertex and focus. vertex (-1,3); focus (-1,4)
1 answer:
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First
angle in front of c is 30°, so hypotenuse is equal to 2c
it's right triangle, so let's use Pythagorean theorem\
Second
b - the base of the triangle, angles at the base are equal ⇒ cathets are equal
it's right triangle, so let's use Pythagorean theorem
Answer:
f(x)= 25(1 + 0.20)^t
Step-by-step explanation:
The formula- <em>f(x)= a(1+r)^x</em>
<em />
a= initial amount (25)
r= growth rate (20%... 0.20)
x= # of times (we don't have that in here)
When you plug in the values, you get
f(x)= 25(1 + 0.20)
hope this helps!!