Question

Direction: Examine which of the following are Exponential functions
(a) 49 = 7×+ 1
(b) 7 = 2x + 3
(c) 3×= 3³×-1
(d) 5×-1=125​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Given,

Examine which of the following are Exponential functions

$\[\left( a \right)49 = {7^x} + 1\]$

$\[\left( b \right)7 = 2x + 3\]$

$\[\left( c \right){3^x} = {3^{3x}} - 1\]$

$\[\left( d \right){5^x} - 1 = 125\]$

Solution,

Know that an exponential function is defined as $\[f\left( x \right) = {a^x}.\]$

Therefore, by  examining the options, (a), (c) and (d) are exponential functions.

Hence, the correct options are (a), (c) and (d).