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pickupchik [31]
3 years ago
8

Which function is increasing a f(x)=(1/4) bf(x)=0.4)x c. f(x)=4x d. f(x)=(1/2)x

Mathematics
1 answer:
vodomira [7]3 years ago
3 0
We are going to rewrite the functions correctly:
 f (x) = (1/4)
 f (x) = (0.4) ^ x
 f (x) = 4 ^ x
 f (x) = (1/2) ^ x
 We observe that we have functions of the form:
 f (x) = A (b) ^ x
 When
 b> 1 The function grows
 b <1 Function decreases
 Therefore, the function that is growing is:
 f (x) = 4 ^ x
 Answer:
 
The function that is increasing is:
 
f (x) = 4 ^ x
 
option C)
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