22.12. Напишите уравнение касательной к графику функции f(x) в точке с абсциссой х0:
1) f(x) = ln(2x) + x1, x = 0,5;
2) f(x) = el + 2x – 4x1, x = -0,5;
3) f(x) = ln(-0,5х) - х”, х = -2;
4) f(x) = el - 2x – х2, х = 0,5.​

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details