Amount after n years = original amount x interest^(number of years)
30,000 = A x (1.05)²⁰
A = $11,307
Answer:
D
Step-by-step explanation:
your function is not very clear but I'm assuming it's 2 multiplied by 7^x
first let y be equal to the function
to find the range interchange x and y and make the subject
at some point you'll have to use logarithm to get rid of the exponent
only log of positive numbers numbers exist hence y must be greater than 0
Answer:

Step-by-step explanation:
5z-6-34=z-6
combine like terms (-6-34)
5z-40=z-6
subtract z on both sides
5z-z-40=-6
4z-40=-6
add -40 on both sides
4z=34
divide both sides by 4

z=
hope this helps