Answer:
25. Option b.
26. Option d.
Step-by-step explanation:
25.
She earns $5.25 in one hour so in 1 hour 30 minutes = (1.5 hours) she earns 5.25 + 1.5*5.25 = 5.25 + 2.625
= $7.88.
26.
The domain is {-8, -5 and 7} so it cannot be a or b.
A function is either a one-to-one or a many-to-one relation
Look at option d . The -8 in the domain maps on to 2 elements in the range
(-6 and 1) so its a one-to many relation and its NOT a function.
