please I really need help on these two
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Answer:
1) 5
2) (3 , 24)
Step-by-step explanation:
Question 1
f(x) x= 1 2 * 5¹ = 10
f(x) x= 2 2 * 5² = 50
f(x) x= 3 2 * 5³ = 250
multiplicative rate of change = 50/10 = 5
check: 250/50 = 5
Question 2
f(x) = 2 * 4ˣ
(3 , 24) f(3) = 2 * 4³ = 2 * 64 = 128 ≠ 24