Which of the following would correctly transform x2 + 2 x into the expression shown below?...
1. Add, subtract, or multiply as indicated. Simplify completely. (4 pts) (x - 4) - (x2 – 3x + 4) a. b. (4 pts) (x + 5)(x2 + 2x) C. (4 pts) (x - 2)2 2. Solve each equation using any method. (4 pts) 2x2 + 4x - 30 = 0 a. b. (4 pts) (x - 3)2 = 16 C. (4 pts) x² - 4x = 6 d. (4 pts) x2 = 81 e. (4 pts) 72x = 8x2...
How would you combine reactions A-C, shown below, to obtain the overall reaction: NH, () +BH2(g)+0,(3) —> 2H,0(g) +HBNH(s) Please select all that apply. 24,(g) +0,(g) → 24,0(3) H BNHz() NH3(g) +BH3(g) HBNH,(s) -> 2H, (g) + HBNH(s) Choose one or more: A multiply A by 2 B. add resulting equations together C. multiply C by 2 D. reverse A E. divide A by 2 E multiply B by 2 G divide B by 2 H. divide C by 2...
. Which expression is the simplified form of 3x2 + 4x + 5 - x2 + 2x - 1 2x2 - 2x - 4 2x2 + 2x + 6 4x2 - 6x + 4 4x2 + 6x + 6 . Consider the following equation: C2 = 62+102 Which is the closest to the value of c? 4 . 6 12 16
The Fourier Transform of a certain time function, x(t), is shown below F{x(t) x(f) 2.5 7 1.5 1 0.5 -30 -20 -10 10 20 30 f(Hz) equation for X(f A. Write an B. Write an equation for x(t). C. Write and equation for the Fourier Transform of x(2t) and draw a sketch D. Write and equation for the Fourier Transform of x(t) and draw a sketch equation for the Fourier Transform of x()cos(2 E. Write an 15 t and draw...
2-If X1(z)Find the Z-Transform of X2[x]-X, ln +3]u[n] Find theZ-Transform of X211 ( I-hind the Inverse Z-transform of given function. a) R(Z) =- (1-e") (-(z-e-ar) 3 +282+8-1 b) F (Z) = (2-2)2(2+2) Find the Z-Transform of X2 [x] = X1 [n + 3] u [n] 3- Solve the difference equation 3 4 With initial conditions y-1] 1 and yl-2] 3 4- Let the step response of a linear, time-invariant, causal system be 72 3) ulnl 15 3 a) Find the...
Which expression correctly shows x6 + 2x3 + 1 factored completely over the integers? (x3 + 1)2 (x2 + 1)(x4 – x2 + 1) O(x + 1)2(x2 - x + 1)2 (x + 1)(x2 - x + 1)
8) 4 Complete the square to transform the quadratic equation into the form (x - p)2-q. x2-12x-5=7 A)(x-36)2-9 B) (x 6)2-48 (x 36)2 -9 D) x-6)2 - 48 D)
Two functions are shown below. g(x) = x2 + 7 f(-x) = 3.8-10 Find (fog)(x) Select one: O A. 3.x2 – 3 O B. 3x2 +11 OC. 9.x2 - 60.x +107 OD. 3.x3 - 10.x2 +2 1.8 – 70
What is the first step to be performed in the following mathematical expression? (EX) Select one: O a. Square the sum of the scores. O b. Add the squared scores. 0 C. Add the scores. O d. Square each score.
Name 2. (10 points) a) Find an expression for the Fourier Transform of the signal use the tables provided. illutrated below- you may 1.5p 0.5 05 2 1.5 1 0.5 0 0.51 1.5 2 b) Using your result from part (a), find an expression for the Fourier Transform of the signal c) Using your result from part (a), find an expression for the Fourier Transform of the signal d) Note that the signal p(o) illustrated below can be expressed as...