Answer:
0
Step-by-step explanation:
The + on the zero means the limit as x approaches 0 from the right side


just subsitute
f(4)=4²+3(4)-1
f(4)=16+12-1
f(4)=28-1
f(4)=27
it approaches 27 as x approaches 4
Answer:
132 cm²
Step-by-step explanation:
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