Given:

To find:
The function
.
Solution:
we have,

Put g(x)=y.

Interchange x and y.

Isolate y.



Substitute
.



Therefore, the correct option is (3).
Step by step explanation: -28-15
When adding negative with positive it will always be negative so for this question, subtract -28 with 15 which would be -43. So -43 would be the temperature in the evening.
Answer:
$84
Step-by-step explanation:
Simple Interest = Interest rate*Principle*number of years
= (3÷100)*$700*4
=$84