Resposta:
1) f(x) = 2x² - 50a) f(1) = 2 * 1² - 50f(1) = -48b) f(2) = 2 * 2² - 50f(2) = -42c) f(0) = 2 * 0² - 50f(0) = -502) f(x)= 3x²-7x+2a) f(-1)= 3 * -1²-7*-1+2f(-1) = 6b) f(0)= 3 * 0²-7* 0+2f(0)= 2c) f(2)= 3 * 2²-7* 2+2f(2) = 03) f(x) = (x-3)² + 2x²f(1) = (1-3)² + 2*1²f(1) = 6
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Resposta:
1) f(x) = 2x² - 50
a) f(1) = 2 * 1² - 50
f(1) = -48
b) f(2) = 2 * 2² - 50
f(2) = -42
c) f(0) = 2 * 0² - 50
f(0) = -50
2) f(x)= 3x²-7x+2
a) f(-1)= 3 * -1²-7*-1+2
f(-1) = 6
b) f(0)= 3 * 0²-7* 0+2
f(0)= 2
c) f(2)= 3 * 2²-7* 2+2
f(2) = 0
3) f(x) = (x-3)² + 2x²
f(1) = (1-3)² + 2*1²
f(1) = 6