5−a+4a= please show work :)
2 answers:
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Answer:
y = 16
Step-by-step explanation:
Use the given points to find the values of a and b
Using (0, 16), then
16 = a (
= 1 ), thus
a = 16
y = 16
Using (2, 400), then
400 = 16b² ( divide both sides by 16 )
b² = 25 ( take the square root of both sides )
b = = 5
Thus
y = 16 × ← exponential function