Answer:
y = 4 * 2^x
Explanation:
Exponential line, increases rapidly
some points (0,4), (1,8), (2,16),
Equation: y = a * b^x
a = 4, since it's y intercept
b = common ratio = 2
Equation: y = 4 * 2^x
f(x) = 4*(2^x)
tbh i dont know why i was just playing around with tthe graphs on desmos
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