exam Maths Puzzle Numerical Ability

KEEP GETTING THESE WRONG - HELP PLEASE

Need to solve:
log9(1/3)=y

Need to simplify:

e^x * 4e^2x+1 (the 2x+1 is all in exponent)
Thanks
LLO

Read Solution (Total 0)

exam Other Question

The town of sprinfield purchased a Chevrolet, Ford and Toyota for total of $ 66,000. The Ford was $ 2000 more than the Cheverlot and the Toyota was $ 2000 more than the Ford. What is the price of each car?

Kindly help me. Thank you. Is f(x)= -2x a one to one function?