Answer:
Un = -n²
Step-by-step explanation:
Un = -n²
it's a quadratic term but with minus sign, just it
U1 = -1² = -1
U2 = -2² = -4 and so on
Grouth is when a>1
if a=1, theer is no change
if a<1, it is exponetial decay
B is answer
The constant is 15, divide 45 by 3 then you’ll get 15. multiply 15 with the minutes and you’ll get the sit-ups
Answer:
first one
hope it helps you ...
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