Question

The expression (3^4x)^(7x) can be written as 3^f(x) where f(x) is a function of x. Find f(x)
=

Answer 1

f(x0=28x^2

Answer 2

why 28x^2 and not just 28x?

Answer 3

\[ (x^{a})^{a}= x^{a.a}=x^{a^{2}}\]

Answer 4

so we multiply both exponents to form the new exponent

Answer 5

oh 4x*7x is 28x^2. forgot the other x. Okay thank you