Answer:
6sqrt(5)
Step-by-step explanation:
25 to join and 14 each month
25 + 14m...(m = number of months)
for 6 months...
25 + 14(6) = 25 + 84 = 109
Answer:
4a+20
Step-by-step explanation:
Hello!

Recall that the transformations form of a parabola is:
f(x) = ±a(b(x-h)) + k where:
a = vertical stretch/compression
b = horizontal stretch/compression
h = horizontal shift, x-coordinate of vertex
k = vertical shift, y-coordinate of vertex
In this instance, the parent function is f(x) = 3x^2. There is a vertical stretch of 3.
However, there is a point (7, -2) that needs to be included. Substitute these values into the transformation formula:
h = 7
k = -2
f(x) = 3(x - 7)² - 2 is the equation with (7, -2) as the vertex.
Answer:
- 2a - 6
Step-by-step explanation:
9 - 4(- a + 9) + 3(7 - 2a) ← distribute parenthesis
= 9 + 4a - 36 + 21 - 6a ← collect like terms
= - 2a - 6