Answer:
Function 1 is linear
Step-by-step explanation:
A linear is a straight line on the graph.
1. Over a period of 6 years (from 1980 to 1986) the house gained a value of 12000 dollars (109k-97k). 12000/6 gives you a rate of 2000 dollars per year. Because the initial price at t=0 is 97000, the function is 97000+2000t
Two complementary angles: α,β
Definition of complementary angles:
α+β=90
β=4α
4α+α=90
5α=90 /:5
α=18
Measure of smallest angle is 18 degrees.
Answer:
x = - 
- 
/ 2 or
x= - 13/2 + / 2
Step-by-step explanation:
1- Substitute and calculate
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