12a. Answer: d) x⁶ f'(x) + 6x⁵ f(x)
<u>Step-by-step explanation:</u>
Use the multiplication formula for derivatives:
y = a · b → y' = a'b + ab'
<u>y = x⁶ · f(x) </u>
a = x⁶ b = f(x)
a' = 6x⁵ b' = f'(x)
<u>y' = a'b + ab'</u>
y' = 6x⁵ f(x) + x⁶ f'(x)
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12b. Answer: 
<u>Step-by-step explanation:</u>
Use the division formula for derivatives:
→ 

Note: You can also move the denominator to the top (it will have a negative exponent) and use the multiplication formula for derivatives.
A-Step 1 Multiply 18.9 × 3.
Step 3. Add 18.9 from the product. is the right answer. Why?
This week the distance travelled was 3x 18.9 father than last week, it means
18.9x3 + 18.9=75.6
I’m terms of 12 in is the correct answer.
Answer:
r^5
Step-by-step explanation: