Odpowiedź:
a)
f(x) = - 2x
f(-2) = 3 * - 2 * (-2)
f(-2) = 3 * 4 - (-4)
f(-2) = 12 + 4
f(-2) = 16
b)
g(x) =-+5
g(1) =- * 1+5
g(1) =- +5
g(1) =- +
g(1) = -
g(1) = -4
c)
h(x) =2 - 8
h(-3) = 2 - 8
h(-3) = -2 - (-8)
h(-3) = -2 +8
h(-3) = 6
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Odpowiedź:
a)
f(x) = - 2x
f(-2) = 3 * - 2 * (-2)
f(-2) = 3 * 4 - (-4)
f(-2) = 12 + 4
f(-2) = 16
b)
g(x) =-+5
g(1) =- * 1+5
g(1) =- +5
g(1) =- +
g(1) =- +
g(1) = -
g(1) = -4
c)
h(x) =2 - 8
h(-3) = 2 - 8
h(-3) = 2 - 8
h(-3) = -2 - (-8)
h(-3) = -2 +8
h(-3) = 6
h(x) = 2pierwiastek3 * (-3) - 8pierwiastek3
h(x) = 2pierwiastek -9 - 8pierwiastek3 h(x) = 2pierwiastek -9 - 8pierwiastek3 ( pierwiastek z - 9 = -3) czyli h(x) = 2pierwiastek -3 - 8pierwiastek3
h(x) = -2pierwiastek 3 - 8pierwiastek3
h(x) = -10 pierwiastek 3