Предмет: Математика, автор: sffare7

Нужны ответы. Думаю, для вас это будет легко

Приложения:

Ответы

Автор ответа: Miroslava227

Ответ:

$1) {2}^{x - 1} < 8 \\ {2}^{x - 1} < {2}^{3} \\ x - 1 < 3 \\ x < 4$

Ответ: A.

$2) {3}^{x - 1} < {3}^{4} \\ x - 1 < 4 \\ x < 5$

Ответ: С.

$3) {2}^{x - 1} < {2}^{ - 3} \\ x - 1 < - 3 \\ x < - 2$

Ответ: D.

$4) {2}^{2x - 1} > {2}^{5} \\ 2x - 1 > 5 \\ x > 3$

Ответ: C.

$5) {2}^{ - (x - 1)} < {2}^{3} \\ - x + 1 < 3 \\ - x < 2 \\ x > - 2$

Ответ: В.

$6) {( \frac{1}{3} )}^{x - 1} < \frac{1}{27} \\ {( \frac{1}{3}) }^{x - 1} < {( \frac{1}{3}) }^{3} \\ x - 1 > 3 \\ x > 4$

Ответ: В.

$7) {4}^{x - 1} < 16 \\ x - 1 < 2 \\ x < 3$

Ответ: А.

sffare7: Спасибо, гений!

lushnikovt: Помогите пожалуйста с функциями в последнем моем примере(

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