What have you watched already?
Option a) is the right answer
Answer:
-7
Step-by-step explanation:
Square numbers always have two possible roots: a positive and negative root. This is because two positive numbers multiply to make a positive number and two negative numbers also multiply to make a positive number
-7 × -7 is still 49, just like 7 × 7
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Answer:
<h2>Please click above answer. </h2>
Answer:
h(-9) = -15.
Step-by-step explanation:
Replace the r in r - 6 by -9 and work it out:
h(-9) = -9 - 6
= -15.