larassialynn larassialynn

28-05-2015
Mathematics

Answered

3. h(x) = x2 + 3x – 1 Evaluate h(-3)

4. f(x) = x3 +5x Evaluate f(9)

5. f(x) = -4x - 3 Evaluate f(-10)

6. f(x) = x3 + 7x2 + 1 Evaluate f(0)

Answer :

29-05-2015

3). h(x) = x² + 3x - 1

   h(-3) = (-3)² + 3(-3) - 1 = 9 - 9 - 1

4). f(x) = x³ + 5x

   f(9) = (9)³ + 5(9) = 729 + 45

5). f(x) = -4x - 3

   f(-10) = -4(-10) - 3 = 40 - 3

6). f(x) = x³ + 7 x² + 1

   f(0) = (0)³ + 7 (0)² + 1 = 1

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