The expression , for x > 3 is equivalent to which of the following expressions of
Saving... r Question 4 of 20 > Which two expressions are equivalent to the simplified and un-simplified sum of 8x-5 x2+2x-3 and 8-7X 2+2x-3 ? There are two correct answers. Be sure to select both of them. x+3 2x2 +47-6 x2+2x-3 3x-1 O 2x-2
3. Consider the following BNF for arithmetic expressions: <expression> ::= <term> <term>+ <expression> | <term> - <expression> <term> ::= <factor> | <factor> * <term> | <factor> I <term> <factor> ::= <constant> (<expression>) <constant ::= 0|1|2|3|4|5|6789 a) Show the expression tree of the following expression: 8/7*5/6-6/4/2-7*(5+2). b) Give the value of this expression. c) Same question as (a), if the BNF were <expression> ::= <term> | <expression>+ <term> | <expression> - <term> <term> ::= <factor> | <term>*<factor> | <term> / <factor>...
Using DeMorgan's law determine which of the following Boolean expressions are equivalent to the Boolean expression shown below. Y =(A+B)D+C AY = (ABDC) BY = (A+B)(D+) CY - (AB+DC D. Y = (AB)+(DC) EY = A +B) + (D+C) F. Y = (AB+D) +
State an equivalent expression for each of the following expressions, in terms of the related acute angle. STT b) cot d) cos
1. Consider the following BNF definition of arithmetic expressions: <expression> <expression>+ <term> | <expression>-<term> <term> <term> ::= <term>*<factor> <term>/<factor> | <factor> <factor> :: <digit>«<exponent> | <didgit>^«<exponent> <digit>(<expression> <digit>:= 01|2|3|4151617181910. <exponent> :: <sign> <val> <sign>=+1 - <val 1121314 Draw the expression trees of the following expressions, parsed according to the BNF above. a) 46 - 6/4-243. b) 4*6 -(6/4 - 243) c) 31-2-3*2 + 3/2 d) 3^2*5. e) ((3^2)).
Which of the following is NOT an equivalent expression for the confidence interval given by 161.7<»<189.5? Choose the correct answer below. O A. 175.6 - 13.9<<175.6 +13.9 OB. 175.6 13.9 O c. (161.7.189.5) OD. 161.7 27.8
Saving... < Question 7 of 20 > Which of these expressions is equivalent to **–5x+37 O x2 – 7+ -5x+46 247 O x2 +7 + --5x+52 2-7 -5x+46 Ox? +7+ Ox? - 7+ -5x+52 .-- +7
Which expression is equivalent to the expression shown below? floor - 1 < 13 1 O 13 < floor - 1 O 13 >= floor 1 floor < 12 O floor 1 <= 12
The position of an object weighing 2 kg is described by the expression x = 3 + 6t - 5t for t =0 to 2s and x = 15 + 3t fort >2s. a) Give the velocity expression and graph velocity vs. time. b) Give the acceleration expression and graph velocity vs. time. c) Give the force expression and graph force vs. time.
Determine which of the following expressions is equivalent to log3 (27) 27x" ys OA 3 +41093* - 5logy OB. 3+ logz(x - 4) - logz(y-5) OC 3(41093* - 5log3v) OD. 3x'y-5 O E 9+ log3(12x) – log3(15)