1) What is the definition of a function in Mathematics? a) A relation where each input corresponds to exactly one output b) A relation where multiple inputs corresponds to one output c) A relation where each output corresponds to multiple inputs d) A relation with no outputs 2) Evaluate f(4) if f(x) = x2 - 5x + 6 a) 6 b) 2 c) 10 d) 11 3) Is the function h(x) = 3x +8 one-to-one? a) Yes, because different inputs produce different outputs b) No, because it is a quadratic function c) No, because it is constant d) Yes, because it is a periodic function 4) If 3x + 7= 19, what is the value of x? a) 2 b) 3 c) 4 d) 6 5) Evaluate: 72 - 5(3) a) 34 b) 29 c) 24 d) 38 6) Find the zeros of the function f(x) = x2 - 9 a) x = +3 and -3 b) x = 3 only c) x = 0 d) No zero 7) A function is __________ a relation, but not all relations are function. a) Sometimes b) Seldom c) Always d) Never 8) It is a set of ordered pairs a) Relation b) Rational c) Function d) Range 9) It is a function defined by one or more than sub function a) Relation b) Function c) Piecewise d) Evaluating 10) Evaluate the function g(x) = x2 -5x if the value of x = 3 a) 6 b) 9 c) -6 d) -9 11) F(x) = 5x + 3 and g(x) = x2 + 8x + 7, find (f +g)(x) a) x2 + 5x + 9 b) x2 + 13x + 10 c) x2 + 8x + 4 d) x + 8 12) F(x) = 5x + 3 and g(x) = x2 + 8x + 7, find (f - g)(x) a) x2 + 5x - 9 b) x2 + 8x + 4 c) x2 - 3x - 4 d) x - 8 13) F(x) = 5x + 3 and g(x) = x + 7, find (f multiply by g)(x) a) 5x2 + 5x - 9 b) 5x2 + 38x + 4 c) 5x2 - 38x - 21 d) 5x2 +38x + 21 14) F(x) = 5x + 3 and g(x) = x + 7, find, f composed with g(x) a) 5x - 26 b) 5x + 37 c) 5x + 38 d) 5x + 21 15) Find ( f - g) (-3) if f(x) = 3x + 5 and g(x) = 2x - 7 a) 9 b) 10 c) -9 d) -10 16) what the vertical asymptote? a) 3 b) 4 c) -1 d) -2 17) what is the horizontal asymptotes? a) no HA b) 1 c) 2 d) -1 18) An ________ is an imaginary line to which a graph gets closer and closer as the x or y increases or decreases its value without limit. a) intercepts b) asymptotes c) function d) relation 19) This is an example of asymptote, except a) vertical b) horizontal c) straight d) oblique 20) ( f + g)(x) is denoted by? a) Subtraction of Function b) Addition of Function c) Multiplication of function d) Division of function 21) The line y = b is a ____________ of the function f if f(x) gets closer to b as x increases or decreases witout bound a) vertical b) oblique c) straight d) horizontal 22) ___________ of a function is the set of all possible input values for which the function is defined. a) range b) domain c) x-intercept d) y-intercept 23) ___________ of a function is the set of all possible output values. a) range b) domain c) x-intercept d) y-intercept 24) It is a function that can be expressed as the ratio of two polynomial functions, where the denominator is not zero a) Piecewise Function b) Rational Function c) Inverse Function d) One-to-one Function 25) It is an operation where you combine two functions such that the output of one function becomes the input of another a) Cubic b) Piecewise c) Composition d) Rational

REVIEW IN GEN MATH

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