Answer:
£402.03
Step-by-step explanation:
300 x 1.05 x 1.05 x 1.05 x 1.05 x 1.05
Answer:
$212.5
Step-by-step explanation:
x= 100*170/80
x= 17000/80
x= 212.5
Answer:
x = 1/2
y = 1/3
Step-by-step explanation:
6x – 3y = 2 (Multiply this by -3)
2x – 9y = -2
-18x + 9y = -6
2x – 9y = -2
-16x = -8
x = 1/2
2x – 9y = -2
2(1/2) - 9y = -2
1 - 9y = -2
-9y = -3
y = 1/3
F(x) = (-1/2) * (x-3)
y = (-1/2) * (x-3)
⇒ -2y = x - 3
⇒ -2y + 3 = x
⇒ x = -2y + 3
Thus f^-1(x) = -2x + 3