Advertisements
Advertisements
Question
Find x, if `"g"(x)` = 0 where `"g"(x)`= `(18−2x^2)/ 7`
Solution
`"g"(x)` = `(18−2x^2)/ 7`
`"g"(x)`= 0 ...(Given)
∴ 0 = `(18−2x^2)/ 7`
∴ 0 = 18 – 2x2
∴ 2x2 = 18
∴ x2 = `18/2`
∴ x2 = 9
∴ x = ± 3
APPEARS IN
RELATED QUESTIONS
Which sets of ordered pairs represent functions from A = {1, 2, 3, 4} to B = {−1, 0, 1, 2, 3}? Justify : {(1,0), (3, 3), (2,−1), (4, 1), (2, 2)}
Which sets of ordered pairs represent functions from A = {1, 2, 3, 4} to B = {−1, 0, 1, 2, 3}? Justify : {(1, 2), (2,−1), (3, 1), (4, 3)}
Which set of ordered pair represent function from A = {1, 2, 3, 4}to B = {−1, 0, 1, 2, 3}? Justify : {(1, 3), (4,1), (2, 2)}
Which set of ordered pair represent function from A = {1, 2, 3, 4}to B = {−1, 0, 1, 2, 3}? Justify : {(1, 1), (2, 1), (3, 1), (4, 1)}
Find x, if `"g"(x)` = 0 where `"g"(x)` = `(5x−6)/7`
Find x, if `"g"(x)` = 0 where `"g"(x)` = 6x2 + x − 2
Find x, if f(x) = g(x) where f(x) = x4 + 2x2 , g(x) = 11x2
if f(x) = `{(4x - 2"," x ≤ - 3),(5"," -3 < x < 3),(x^2"," x ≥ 3):},`the find f(– 4)
If f(x) = 2x2 + 3, g(x) = 5x – 2, then find gog.
if f(x) = `{(4x - 2"," x ≤ - 3),(5"," -3 < x < 3),(x^2"," x ≥ 3):},`the find f(1)
if f(x) = `{(4x - 2"," x ≤ - 3),(5"," -3 < x < 3),(x^2"," x ≥ 3):},`the find f(5)
