Answer:
f(0)=4
Step-by-step explanation:
f(0)=4*9^0=4*1=4
Math helps with science because you'll need to know the math in order to convert units in science.
Answer: It's 7
Step-by-step explanation:
The first one is 2x-3y/2
The second one is 1/x+2
The third one is (2x-5y)/(2x+5y)
The fourth one is x^2/z^2