Question: 5) y² + x³+ 7, where y = 9 and x = 5.
Answer:
a. 210
b. 211
c. 212
d. 213
Solution:
#BY SUBSTITUTION METHOD#
→ If y = 9 then x = 5 ←
= y² + x³ + 7
= (9)² + (5)³ + 7
= (81) + (125) + 7
= (81) + 132
= 213
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