Let f(x,y) = 8x - 2y + 5. Find the following values of f(x,y) for the given coordinates. (a) f(2, -1) f(2,-1) = 23 (Simplify your answer.) (b) f(-6,1) f(-6,1)= (Simplify your answer.)

Q: x = 1 only if x2 = x.

A:

Q: Find x and y if (-3x - 9) + 4i = 6 + (3y - 2)i.

A: Given that,  (-3x - 9) + 4i = 6 + (3y - 2)i To solve for x and y, need to use below property of…

Q: (x + 2)2 + (y + 1)2 =

A: Use the formula a+b2=a2+b2+2ab (x+2)2=x2+22+2(x)(2) =x2+4+4x Also, (y+1)2=y2+12+2(y)(1) =y2+1+2y So,…

Q: Find the value of ( x + y ) / (x - y ) if x = 6 and y = - 2.

A: The expression: x+yx-y

Q: oB coser sec 2o -

A: To find the value of 2cosec20°sec20°

Q: If y = f(x) in the figure, find the following. y -6 -4 -2 (a) f(5) = (b) f(9) = 12 6 -6- (5, 6)…

A:

Q: Write y=2(0.5x-6)(6-24x) in the form y=k(x-r)(x-s) and give the values of k,r,s.

A: We have to factor out 0.5 and -24

Q: Solve for fx(-9, 9) and fy(-9, 9). f(x, y) = 5x2 + 8xy + 4y2 + 6x − 9y; (−9, 9)

A: Given:fx,y=5x2+8xy+4y2+6x-9yTo find:→fx-9,9→fy-9,9

Q: Which value(s) of x satisfies the equation Vx? -4x –5 = 2x – 10 {3, 5, 7} {5} {5, 7} O {7}

A: Given an equation x2-4x-5=2x-10 To find the values of x that satisfy the equation

Q: Q2) find the domain and range to the function y=x+1, y=2r² +3

A: 1) Given that, y=x-1 Domain: x can have any positive value or zero for real values of y. Hence…

Q: Let f(x)=x +3 and g(x)=-2x+6. Find each of the following. (a) (f+g)(2) (b) (S - 8)X2) (c) (fg)(2)…

A: we have to find the following

Q: 2 -1 2 2.

A:

Q: Which function is equivalent to y = 3(x + 4)2 + 5? Oy = 3x2 + 24x + 63 Oy = 3x? + 21 O y = 3x2 + 24x…

A: Qudratic expression

Q: f(x) = 3x + 6, find the ordered pair when x = -1. %3D O (-1,9) O (-1,-3) O (-1,3) O (-1,-9)

A: topic - functions

Q: Exc. Eind. Lim (x-1) y3

A: Solution:

Q: f(x) = 5x + 2 a.) f(-2) b.) f(5)

A: To find the f(-2) and f(5)

Q: If (x + 1, y – 2) = (3,1), find the values of x and y.

A:

Q: Eliminate the arbitrary constant in the following equation: x³ - 3x²y = C.

A:

Q: f) y = x²-1 x²+x-2

A:

Q: 2a - 5y dA, R =(-5,4] x [0, 3] R.

A:

Q: Sx - 2y - 5x y = 9. %3D - 1

A:

Q: y = x² + x y = x + 5 2

A: y=x2+x y=x+5   a2-b2=(a-b)(a+b)

Q: What is the correspondence of y = (4 - x) / (x + 3)?

A: