Step-by-step explanation:
f(1) = 7
for n = 1
f(2) = f(2 - 1) + 2 = f(1) + 2 = 7 + 2 = 9
f(3) = f(3 - 1) + 2 = f(2) + 2 = 9 + 2 = 11
f(4) = f(4 - 1) + 2 = f(3) + 2 = 11 + 2 = 13
Answer:
see explanation
Step-by-step explanation:
Rearrange the equation expressing x or y in terms of the other variable.
2y = 4 - 3x ( divide both sides by 2 )
y =
Choose suitable values for x and evaluate for y
x = 2 → y = = = - 1
Thus (2, - 1 ) ← is a solution
x = - 2 → y = = = 5
Thus (- 2, 5 ) ← is a solution
x = 4 → y = = = - 4
Thus (4, - 4 ) ← is a solution
The angle that has a little square in the corner, is 90 degrees. so you can add 90 and 72 which is 162 and take 180-162 because the line that is on top of them is a straight line. so z= 18 degrees. take 180-72 because the line left to 72 is also straight so x=108.
we know z already equals 18 so add 90+18= 108. subtract 180-108 =72
z=18
x=108
y=72
Answer:
20
Step-by-step explanation: