Answer:
5.05$
Step-by-step explanation:
9 kilogram bag costs $45.45
therefore, 1 kg bag will cost 45.45/9 = 5.05$
5.05
3 teaspoons
f(-6), f(4)
Put x = -6 and x = 4 to the equation of the function:
x + 4 = 19 - 2x
x = 5