Find each value if f(x) = 2x - 1 and g(x) = 2 - x2.
9. f(0)
10. f(12)
12. f(-2)
13. g(-1)
11. g(4)
14. f(d)
9. f(0)
10. f(12)
12. f(-2)
13. g(-1)
11. g(4)
14. f(d)
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Answer:
9. f(0) = -1
10. f(12) = 23
12. f(-2) = -5
13. g(-1) = 1
11. g(4) = -14
14. f(d) = 2d-1
Sol'n:
9. f(0) = 2(0) -1
= 0 - 1
= -1
10. f(12) = 2(12) - 1
= 24 - 1
= 23
12. f(-2) = 2(-2) - 1
= -4 -1
= -5
13. g(-1) = 2 - (-1)²
= 2 - 1
= 1
11. g(4) = 2 - (4)²
= 2 - 16
= -14
14. f(d) = 2(d) - 1
= 2d - 1