Answer:
x=2
Step-by-step explanation:
x6−7=5
x6=7+5
x6=12|:6
x=2
2 hours. She spent 1 hour for math which was half so the total would be 2*1=2.
1/2x=1 /x2
x=2
Answer:
no hablo ingles
Step-by-step explanation:
Solve for x then replace x with f⁻¹(x) and y with x
y=(4^x-5)/3
times 3
3y=(4^x-5)
add 5
3y+5=4^x
take log₄ both sides
log₄(3y+5)=x
switch
f⁻¹(x)=log₄(3y+5)