Answer:
Minimum: (2,4)
Step-by-step explanation:
h(x)=3(
-4x)+16
=3(
-4x+4-4)+16 (- For the balance of equation, and attention 1)
=3
-3*4+16
=3
+4
<h3>Attention:</h3>
1. 
2. The formula for the vertex form is y =
, the vertex is (h,k)
Because there was a pay rise, we can write the equation as x+0.04x = 24.492 and solve for x.
x+0.04x = 24.492
1.04x = 24.492
x=23.55
His original pay was £23.55